22648746 has 16 divisors (see below), whose sum is σ = 45347904. Its totient is φ = 7541184.

The previous prime is 22648733. The next prime is 22648753. The reversal of 22648746 is 64784622.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6370 + ... + 9266.

It is an arithmetic number, because the mean of its divisors is an integer number (2834244).

Almost surely, 2^22648746 is an apocalyptic number.

22648746 is an abundant number, since it is smaller than the sum of its proper divisors (22699158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22648746 is a wasteful number, since it uses less digits than its factorization.

22648746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205.

The product of its digits is 129024, while the sum is 39.

The square root of 22648746 is about 4759.0698671064. The cubic root of 22648746 is about 282.9315554073.

The spelling of 22648746 in words is "twenty-two million, six hundred forty-eight thousand, seven hundred forty-six".