22690464392 has 36 divisors (see below), whose sum is σ = 44917688295. Its totient is φ = 10744280208.

The previous prime is 22690464371. The next prime is 22690464397. The reversal of 22690464392 is 29346409622.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 11345232196 + 11345232196 = 106514^2 + 106514^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106514.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22690464397) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8093663 + ... + 8096465.

Almost surely, 2^22690464392 is an apocalyptic number.

It is an amenable number.

22690464392 is a deficient number, since it is larger than the sum of its proper divisors (22227223903).

22690464392 is an frugal number, since it uses more digits than its factorization.

22690464392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 22690464392 in words is "twenty-two billion, six hundred ninety million, four hundred sixty-four thousand, three hundred ninety-two".