22099232 has 24 divisors (see below), whose sum is σ = 43674876. Its totient is φ = 11007232.

The previous prime is 22099199. The next prime is 22099271. The reversal of 22099232 is 23299022.

It can be written as a sum of positive squares in 2 ways, for example, as 21864976 + 234256 = 4676^2 + 484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22099195 and 22099204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8198 + ... + 10554.

Almost surely, 2^22099232 is an apocalyptic number.

It is an amenable number.

22099232 is a deficient number, since it is larger than the sum of its proper divisors (21575644).

22099232 is a wasteful number, since it uses less digits than its factorization.

22099232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22099232 is about 4700.9820250667. The cubic root of 22099232 is about 280.6245920897.

The spelling of 22099232 in words is "twenty-two million, ninety-nine thousand, two hundred thirty-two".