22729996 has 12 divisors (see below), whose sum is σ = 39984952. Its totient is φ = 11305728.

The previous prime is 22729991. The next prime is 22730009. The reversal of 22729996 is 69992722.

It is not an unprimeable number, because it can be changed into a prime (22729991) 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, 13950 + ... + 15493.

Almost surely, 2^22729996 is an apocalyptic number.

It is an amenable number.

22729996 is a deficient number, since it is larger than the sum of its proper divisors (17254956).

22729996 is a wasteful number, since it uses less digits than its factorization.

22729996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29640 (or 29638 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 22729996 is about 4767.5985569257. The cubic root of 22729996 is about 283.2694807284.

The spelling of 22729996 in words is "twenty-two million, seven hundred twenty-nine thousand, nine hundred ninety-six".