22831404 has 12 divisors (see below), whose sum is σ = 53273304. Its totient is φ = 7610464.

The previous prime is 22831397. The next prime is 22831421. The reversal of 22831404 is 40413822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22831404² = 1042546017222432, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 951297 + ... + 951320.

It is an arithmetic number, because the mean of its divisors is an integer number (4439442).

Almost surely, 2^22831404 is an apocalyptic number.

It is an amenable number.

22831404 is an abundant number, since it is smaller than the sum of its proper divisors (30441900).

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

22831404 is a wasteful number, since it uses less digits than its factorization.

22831404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902624 (or 1902622 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22831404 is about 4778.2218449963. The cubic root of 22831404 is about 283.6901169341.

The spelling of 22831404 in words is "twenty-two million, eight hundred thirty-one thousand, four hundred four".