22434490657 has 32 divisors (see below), whose sum is σ = 24737854464. Its totient is φ = 20253542400.

The previous prime is 22434490649. The next prime is 22434490679. The reversal of 22434490657 is 75609443422.

It is a cyclic number.

It is not a de Polignac number, because 22434490657 - 2³ = 22434490649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22434490457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45691182 + ... + 45691672.

It is an arithmetic number, because the mean of its divisors is an integer number (773057952).

Almost surely, 2^22434490657 is an apocalyptic number.

It is an amenable number.

22434490657 is a deficient number, since it is larger than the sum of its proper divisors (2303363807).

22434490657 is a wasteful number, since it uses less digits than its factorization.

22434490657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 22434490657 in words is "twenty-two billion, four hundred thirty-four million, four hundred ninety thousand, six hundred fifty-seven".