22729733868 has 48 divisors (see below), whose sum is σ = 54004987904. Its totient is φ = 7438616640.

The previous prime is 22729733861. The next prime is 22729733933. The reversal of 22729733868 is 86833792722.

It is not an unprimeable number, because it can be changed into a prime (22729733861) 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, 372021 + ... + 428787.

Almost surely, 2^22729733868 is an apocalyptic number.

It is an amenable number.

22729733868 is an abundant number, since it is smaller than the sum of its proper divisors (31275254036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22729733868 is a wasteful number, since it uses less digits than its factorization.

22729733868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57382 (or 57380 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 57.

The spelling of 22729733868 in words is "twenty-two billion, seven hundred twenty-nine million, seven hundred thirty-three thousand, eight hundred sixty-eight".