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1013221222 = 21338970047
BaseRepresentation
bin111100011001001…
…000011101100110
32121121112222012221
4330121020131212
54033341034342
6244312502554
734052144506
oct7431103546
92547488187
101013221222
1147aa34112
122433aaa5a
13131bb8cb0
14987cda06
155de43a67
hex3c648766

1013221222 has 8 divisors (see below), whose sum is σ = 1636742016. Its totient is φ = 467640552.

The previous prime is 1013221211. The next prime is 1013221229. The reversal of 1013221222 is 2221223101.

It is a happy number.

1013221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10132212222 = 2053234489422346568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013221196 and 1013221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013221229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19484998 + ... + 19485049.

It is an arithmetic number, because the mean of its divisors is an integer number (204592752).

Almost surely, 21013221222 is an apocalyptic number.

1013221222 is a deficient number, since it is larger than the sum of its proper divisors (623520794).

1013221222 is a wasteful number, since it uses less digits than its factorization.

1013221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38970062.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1013221222 is about 31831.1360463305. The cubic root of 1013221222 is about 1004.3877931126.

Adding to 1013221222 its reverse (2221223101), we get a palindrome (3234444323).

The spelling of 1013221222 in words is "one billion, thirteen million, two hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 13 26 38970047 77940094 506610611 1013221222