22943216 has 20 divisors (see below), whose sum is σ = 44913792. Its totient is φ = 11352576.

The previous prime is 22943189. The next prime is 22943227. The reversal of 22943216 is 61234922.

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, 5840 + ... + 8943.

Almost surely, 2^22943216 is an apocalyptic number.

It is an amenable number.

22943216 is a deficient number, since it is larger than the sum of its proper divisors (21970576).

22943216 is a wasteful number, since it uses less digits than its factorization.

22943216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14888 (or 14882 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 22943216 is about 4789.9077235371. The cubic root of 22943216 is about 284.1524672297.

The spelling of 22943216 in words is "twenty-two million, nine hundred forty-three thousand, two hundred sixteen".