22742432 has 24 divisors (see below), whose sum is σ = 44989056. Its totient is φ = 11316672.

The previous prime is 22742393. The next prime is 22742443. The reversal of 22742432 is 23424722.

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, 5543 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (1874544).

Almost surely, 2^22742432 is an apocalyptic number.

It is an amenable number.

22742432 is a deficient number, since it is larger than the sum of its proper divisors (22246624).

22742432 is a wasteful number, since it uses less digits than its factorization.

22742432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420 (or 3412 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 22742432 is about 4768.9025991312. The cubic root of 22742432 is about 283.3211319621.

The spelling of 22742432 in words is "twenty-two million, seven hundred forty-two thousand, four hundred thirty-two".