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1120222212 = 2233779109293
BaseRepresentation
bin100001011000101…
…0011110000000100
32220001220011222120
41002301103300010
54243234102322
6303054125540
736521505654
oct10261236004
92801804876
101120222212
1152537758a
122731b08b0
1314b1112a5
14a8ac4364
156852ca5c
hex42c53c04

1120222212 has 96 divisors (see below), whose sum is σ = 2752780800. Its totient is φ = 354212352.

The previous prime is 1120222211. The next prime is 1120222217. The reversal of 1120222212 is 2122220211.

It is a junction number, because it is equal to n+sod(n) for n = 1120222191 and 1120222200.

It is not an unprimeable number, because it can be changed into a prime (1120222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3823138 + ... + 3823430.

It is an arithmetic number, because the mean of its divisors is an integer number (28674800).

Almost surely, 21120222212 is an apocalyptic number.

1120222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120222212 is an abundant number, since it is smaller than the sum of its proper divisors (1632558588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120222212 is a wasteful number, since it uses less digits than its factorization.

1120222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1120222212 is about 33469.7208234547. The cubic root of 1120222212 is about 1038.5674964535.

Adding to 1120222212 its reverse (2122220211), we get a palindrome (3242442423).

The spelling of 1120222212 in words is "one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 37 74 79 109 111 148 158 218 222 237 293 316 327 436 444 474 586 654 879 948 1172 1308 1758 2923 3516 4033 5846 8066 8611 8769 10841 11692 12099 16132 17222 17538 21682 23147 24198 25833 31937 32523 34444 35076 43364 46294 48396 51666 63874 65046 69441 92588 95811 103332 127748 130092 138882 191622 277764 318607 383244 637214 856439 955821 1181669 1274428 1712878 1911642 2363338 2523023 2569317 3425756 3545007 3823284 4726676 5046046 5138634 7090014 7569069 10092092 10277268 14180028 15138138 30276276 93351851 186703702 280055553 373407404 560111106 1120222212