22642748 has 12 divisors (see below), whose sum is σ = 39684960. Its totient is φ = 11304192.

The previous prime is 22642729. The next prime is 22642831. The reversal of 22642748 is 84724622.

It is a happy number.

It is a congruent number.

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, 1061 + ... + 6812.

It is an arithmetic number, because the mean of its divisors is an integer number (3307080).

Almost surely, 2^22642748 is an apocalyptic number.

It is an amenable number.

22642748 is a deficient number, since it is larger than the sum of its proper divisors (17042212).

22642748 is a wasteful number, since it uses less digits than its factorization.

22642748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8596 (or 8594 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 22642748 is about 4758.4396602248. The cubic root of 22642748 is about 282.9065772283.

The spelling of 22642748 in words is "twenty-two million, six hundred forty-two thousand, seven hundred forty-eight".