22147612 has 6 divisors (see below), whose sum is σ = 38758328. Its totient is φ = 11073804.

The previous prime is 22147607. The next prime is 22147639. The reversal of 22147612 is 21674122.

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, 2768448 + ... + 2768455.

Almost surely, 2^22147612 is an apocalyptic number.

It is an amenable number.

22147612 is a deficient number, since it is larger than the sum of its proper divisors (16610716).

22147612 is a wasteful number, since it uses less digits than its factorization.

22147612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536907 (or 5536905 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 22147612 is about 4706.1249452177. The cubic root of 22147612 is about 280.8292254817.

The spelling of 22147612 in words is "twenty-two million, one hundred forty-seven thousand, six hundred twelve".