22397612 has 12 divisors (see below), whose sum is σ = 39254040. Its totient is φ = 11182176.

The previous prime is 22397611. The next prime is 22397623. The reversal of 22397612 is 21679322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22397611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833 + ... + 6744.

It is an arithmetic number, because the mean of its divisors is an integer number (3271170).

Almost surely, 2^22397612 is an apocalyptic number.

It is an amenable number.

22397612 is a deficient number, since it is larger than the sum of its proper divisors (16856428).

22397612 is a wasteful number, since it uses less digits than its factorization.

22397612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8320 (or 8318 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 22397612 is about 4732.6115412106. The cubic root of 22397612 is about 281.8819316948.

The spelling of 22397612 in words is "twenty-two million, three hundred ninety-seven thousand, six hundred twelve".