22529648 has 20 divisors (see below), whose sum is σ = 43829040. Its totient is φ = 11218944.

The previous prime is 22529629. The next prime is 22529659. The reversal of 22529648 is 84692522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (2191452).

Almost surely, 2^22529648 is an apocalyptic number.

It is an amenable number.

22529648 is a deficient number, since it is larger than the sum of its proper divisors (21299392).

22529648 is a wasteful number, since it uses less digits than its factorization.

22529648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744 (or 5738 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 22529648 is about 4746.5406350309. The cubic root of 22529648 is about 282.4347535119.

The spelling of 22529648 in words is "twenty-two million, five hundred twenty-nine thousand, six hundred forty-eight".