22154633632 has 12 divisors (see below), whose sum is σ = 43616935026. Its totient is φ = 11077316800.

The previous prime is 22154633629. The next prime is 22154633647. The reversal of 22154633632 is 23633645122.

It can be written as a sum of positive squares in only one way, i.e., 16170682896 + 5983950736 = 127164^2 + 77356^2 .

It is a super-2 number, since 2×22154633632² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22154633591 and 22154633600.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346166119 + ... + 346166182.

Almost surely, 2^22154633632 is an apocalyptic number.

It is an amenable number.

22154633632 is a deficient number, since it is larger than the sum of its proper divisors (21462301394).

22154633632 is an equidigital number, since it uses as much as digits as its factorization.

22154633632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692332311 (or 692332303 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The spelling of 22154633632 in words is "twenty-two billion, one hundred fifty-four million, six hundred thirty-three thousand, six hundred thirty-two".