22904632 has 8 divisors (see below), whose sum is σ = 42946200. Its totient is φ = 11452312.

The previous prime is 22904621. The next prime is 22904641. The reversal of 22904632 is 23640922.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 22904632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431532 + ... + 1431547.

It is an arithmetic number, because the mean of its divisors is an integer number (5368275).

Almost surely, 2^22904632 is an apocalyptic number.

It is an amenable number.

22904632 is a deficient number, since it is larger than the sum of its proper divisors (20041568).

22904632 is a wasteful number, since it uses less digits than its factorization.

22904632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863085 (or 2863081 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22904632 is about 4785.8783937748. The cubic root of 22904632 is about 283.9930898272.

The spelling of 22904632 in words is "twenty-two million, nine hundred four thousand, six hundred thirty-two".