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1049822221 = 7473190949
BaseRepresentation
bin111110100100110…
…000010000001101
32201011102111100111
4332210300100031
54122223302341
6252101200021
735005225120
oct7644602015
92634374314
101049822221
11499662a78
12253700011
131396626a6
149d5da3b7
1562273681
hex3e93040d

1049822221 has 8 divisors (see below), whose sum is σ = 1225324800. Its totient is φ = 880701648.

The previous prime is 1049822203. The next prime is 1049822227. The reversal of 1049822221 is 1222289401.

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

It is a cyclic number.

It is not a de Polignac number, because 1049822221 - 211 = 1049820173 is a prime.

It is a super-2 number, since 2×10498222212 = 2204253391410745682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049822227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595146 + ... + 1595803.

It is an arithmetic number, because the mean of its divisors is an integer number (153165600).

Almost surely, 21049822221 is an apocalyptic number.

It is an amenable number.

1049822221 is a deficient number, since it is larger than the sum of its proper divisors (175502579).

1049822221 is an equidigital number, since it uses as much as digits as its factorization.

1049822221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191003.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1049822221 is about 32400.9601863895. The cubic root of 1049822221 is about 1016.3389904254.

The spelling of 1049822221 in words is "one billion, forty-nine million, eight hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 7 47 329 3190949 22336643 149974603 1049822221