22044662312 has 16 divisors (see below), whose sum is σ = 41340379860. Its totient is φ = 11020561024.

The previous prime is 22044662273. The next prime is 22044662347. The reversal of 22044662312 is 21326644022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19520001796 + 2524660516 = 139714^2 + 50246^2 .

It is a super-2 number, since 2×22044662312² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167573 + ... + 268644.

Almost surely, 2^22044662312 is an apocalyptic number.

It is an amenable number.

22044662312 is a deficient number, since it is larger than the sum of its proper divisors (19295717548).

22044662312 is a wasteful number, since it uses less digits than its factorization.

22044662312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442540 (or 442536 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 22044662312 in words is "twenty-two billion, forty-four million, six hundred sixty-two thousand, three hundred twelve".