22248656 has 10 divisors (see below), whose sum is σ = 43106802. Its totient is φ = 11124320.

The previous prime is 22248649. The next prime is 22248661. The reversal of 22248656 is 65684222.

It can be written as a sum of positive squares in only one way, i.e., 16679056 + 5569600 = 4084^2 + 2360^2 .

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 as a sum of consecutive naturals, namely, 695255 + ... + 695286.

Almost surely, 2^22248656 is an apocalyptic number.

It is an amenable number.

22248656 is a deficient number, since it is larger than the sum of its proper divisors (20858146).

22248656 is a wasteful number, since it uses less digits than its factorization.

22248656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390549 (or 1390543 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 22248656 is about 4716.8481001618. The cubic root of 22248656 is about 281.2556531539.

The spelling of 22248656 in words is "twenty-two million, two hundred forty-eight thousand, six hundred fifty-six".