22639100556 has 24 divisors (see below), whose sum is σ = 53690546224. Its totient is φ = 7422655680.

The previous prime is 22639100551. The next prime is 22639100581. The reversal of 22639100556 is 65500193622.

It is not an unprimeable number, because it can be changed into a prime (22639100551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15463135 + ... + 15464598.

Almost surely, 2^22639100556 is an apocalyptic number.

It is an amenable number.

22639100556 is an abundant number, since it is smaller than the sum of its proper divisors (31051445668).

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

22639100556 is a wasteful number, since it uses less digits than its factorization.

22639100556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30927801 (or 30927799 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 22639100556 in words is "twenty-two billion, six hundred thirty-nine million, one hundred thousand, five hundred fifty-six".