22394432 has 14 divisors (see below), whose sum is σ = 44439078. Its totient is φ = 11197184.

The previous prime is 22394413. The next prime is 22394441. The reversal of 22394432 is 23449322.

It can be written as a sum of positive squares in only one way, i.e., 12559936 + 9834496 = 3544^2 + 3136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22394395 and 22394404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174893 + ... + 175020.

Almost surely, 2^22394432 is an apocalyptic number.

It is an amenable number.

22394432 is a deficient number, since it is larger than the sum of its proper divisors (22044646).

22394432 is an equidigital number, since it uses as much as digits as its factorization.

22394432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349925 (or 349915 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 22394432 is about 4732.2755625597. The cubic root of 22394432 is about 281.8685905855.

The spelling of 22394432 in words is "twenty-two million, three hundred ninety-four thousand, four hundred thirty-two".