22097912 has 16 divisors (see below), whose sum is σ = 43614600. Its totient is φ = 10467360.

The previous prime is 22097879. The next prime is 22097927. The reversal of 22097912 is 21979022.

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, 72539 + ... + 72842.

Almost surely, 2^22097912 is an apocalyptic number.

It is an amenable number.

22097912 is a deficient number, since it is larger than the sum of its proper divisors (21516688).

22097912 is a wasteful number, since it uses less digits than its factorization.

22097912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145406 (or 145402 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 22097912 is about 4700.8416267728. The cubic root of 22097912 is about 280.6190046884.

The spelling of 22097912 in words is "twenty-two million, ninety-seven thousand, nine hundred twelve".