22489616657 has 16 divisors (see below), whose sum is σ = 22735334400. Its totient is φ = 22245814080.

The previous prime is 22489616641. The next prime is 22489616713. The reversal of 22489616657 is 75661698422.

It is a cyclic number.

It is not a de Polignac number, because 22489616657 - 2⁴ = 22489616641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22489616257) 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, 46179668 + ... + 46180154.

It is an arithmetic number, because the mean of its divisors is an integer number (1420958400).

Almost surely, 2^22489616657 is an apocalyptic number.

It is an amenable number.

22489616657 is a deficient number, since it is larger than the sum of its proper divisors (245717743).

22489616657 is a wasteful number, since it uses less digits than its factorization.

22489616657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616.

The product of its digits is 8709120, while the sum is 56.

The spelling of 22489616657 in words is "twenty-two billion, four hundred eighty-nine million, six hundred sixteen thousand, six hundred fifty-seven".