22255691229 has 12 divisors (see below), whose sum is σ = 32344333216. Its totient is φ = 14746101192.

The previous prime is 22255691203. The next prime is 22255691231. The reversal of 22255691229 is 92219655222.

22255691229 is a `hidden beast` number, since 2 + 2 + 2 + 556 + 91 + 2 + 2 + 9 = 666.

It is not a de Polignac number, because 22255691229 - 2⁵ = 22255691197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255690229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7583977 + ... + 7586910.

Almost surely, 2^22255691229 is an apocalyptic number.

It is an amenable number.

22255691229 is a deficient number, since it is larger than the sum of its proper divisors (10088641987).

22255691229 is a wasteful number, since it uses less digits than its factorization.

22255691229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171056 (or 15171053 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The spelling of 22255691229 in words is "twenty-two billion, two hundred fifty-five million, six hundred ninety-one thousand, two hundred twenty-nine".