22393457889 has 16 divisors (see below), whose sum is σ = 32810063040. Its totient is φ = 13472725760.

The previous prime is 22393457843. The next prime is 22393457903. The reversal of 22393457889 is 98875439322.

It is a cyclic number.

It is not a de Polignac number, because 22393457889 - 2⁸ = 22393457633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22393457819) 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, 2472084 + ... + 2481125.

It is an arithmetic number, because the mean of its divisors is an integer number (2050628940).

Almost surely, 2^22393457889 is an apocalyptic number.

It is an amenable number.

22393457889 is a deficient number, since it is larger than the sum of its proper divisors (10416605151).

22393457889 is a wasteful number, since it uses less digits than its factorization.

22393457889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953360.

The product of its digits is 26127360, while the sum is 60.

The spelling of 22393457889 in words is "twenty-two billion, three hundred ninety-three million, four hundred fifty-seven thousand, eight hundred eighty-nine".