22790612128 has 12 divisors (see below), whose sum is σ = 44869017690. Its totient is φ = 11395306048.

The previous prime is 22790612101. The next prime is 22790612171. The reversal of 22790612128 is 82121609722.

It can be written as a sum of positive squares in only one way, i.e., 12971387664 + 9819224464 = 113892^2 + 99092^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356103283 + ... + 356103346.

Almost surely, 2^22790612128 is an apocalyptic number.

It is an amenable number.

22790612128 is a deficient number, since it is larger than the sum of its proper divisors (22078405562).

22790612128 is an equidigital number, since it uses as much as digits as its factorization.

22790612128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712206639 (or 712206631 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 22790612128 in words is "twenty-two billion, seven hundred ninety million, six hundred twelve thousand, one hundred twenty-eight".