22097612 has 6 divisors (see below), whose sum is σ = 38670828. Its totient is φ = 11048804.

The previous prime is 22097609. The next prime is 22097617. The reversal of 22097612 is 21679022.

It is a super-2 number, since 2×22097612² = 976608912205088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22097617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762198 + ... + 2762205.

It is an arithmetic number, because the mean of its divisors is an integer number (6445138).

Almost surely, 2^22097612 is an apocalyptic number.

It is an amenable number.

22097612 is a deficient number, since it is larger than the sum of its proper divisors (16573216).

22097612 is a wasteful number, since it uses less digits than its factorization.

22097612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524407 (or 5524405 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 22097612 is about 4700.8097174849. The cubic root of 22097612 is about 280.6177347934.

The spelling of 22097612 in words is "twenty-two million, ninety-seven thousand, six hundred twelve".