22288412 has 12 divisors (see below), whose sum is σ = 39208176. Its totient is φ = 11086080.

The previous prime is 22288397. The next prime is 22288439. The reversal of 22288412 is 21488222.

It is a congruent number.

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, 13664 + ... + 15207.

It is an arithmetic number, because the mean of its divisors is an integer number (3267348).

Almost surely, 2^22288412 is an apocalyptic number.

It is an amenable number.

22288412 is a deficient number, since it is larger than the sum of its proper divisors (16919764).

22288412 is a wasteful number, since it uses less digits than its factorization.

22288412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29068 (or 29066 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 22288412 is about 4721.0604740884. The cubic root of 22288412 is about 281.4230781920.

The spelling of 22288412 in words is "twenty-two million, two hundred eighty-eight thousand, four hundred twelve".