22945648 has 40 divisors (see below), whose sum is σ = 51358320. Its totient is φ = 9815040.

The previous prime is 22945639. The next prime is 22945679. The reversal of 22945648 is 84654922.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22945648.

It is a congruent number.

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, 843 + ... + 6826.

It is an arithmetic number, because the mean of its divisors is an integer number (1283958).

Almost surely, 2^22945648 is an apocalyptic number.

It is an amenable number.

22945648 is an abundant number, since it is smaller than the sum of its proper divisors (28412672).

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

22945648 is a wasteful number, since it uses less digits than its factorization.

22945648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705 (or 7699 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 22945648 is about 4790.1615839134. The cubic root of 22945648 is about 284.1625070077.

The spelling of 22945648 in words is "twenty-two million, nine hundred forty-five thousand, six hundred forty-eight".