22856142868 has 48 divisors (see below), whose sum is σ = 44100000000. Its totient is φ = 10300387968.

The previous prime is 22856142839. The next prime is 22856142913. The reversal of 22856142868 is 86824165822.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432133 + ... + 482131.

It is an arithmetic number, because the mean of its divisors is an integer number (918750000).

Almost surely, 2^22856142868 is an apocalyptic number.

It is an amenable number.

22856142868 is a deficient number, since it is larger than the sum of its proper divisors (21243857132).

22856142868 is a wasteful number, since it uses less digits than its factorization.

22856142868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50224 (or 50222 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The spelling of 22856142868 in words is "twenty-two billion, eight hundred fifty-six million, one hundred forty-two thousand, eight hundred sixty-eight".