22789401657 has 16 divisors (see below), whose sum is σ = 33151756032. Its totient is φ = 13810285520.

The previous prime is 22789401631. The next prime is 22789401671. The reversal of 22789401657 is 75610498722.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22789401657 - 2²⁸ = 22520966201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22789406657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332578 + ... + 395204.

It is an arithmetic number, because the mean of its divisors is an integer number (2071984752).

Almost surely, 2^22789401657 is an apocalyptic number.

It is an amenable number.

22789401657 is a deficient number, since it is larger than the sum of its proper divisors (10362354375).

22789401657 is a wasteful number, since it uses less digits than its factorization.

22789401657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73668.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 22789401657 in words is "twenty-two billion, seven hundred eighty-nine million, four hundred one thousand, six hundred fifty-seven".