22212748 has 24 divisors (see below), whose sum is σ = 41088320. Its totient is φ = 10478160.

The previous prime is 22212739. The next prime is 22212763. The reversal of 22212748 is 84721222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24715 + ... + 25597.

Almost surely, 2^22212748 is an apocalyptic number.

It is an amenable number.

22212748 is a deficient number, since it is larger than the sum of its proper divisors (18875572).

22212748 is a wasteful number, since it uses less digits than its factorization.

22212748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1235 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 22212748 is about 4713.0402077640. The cubic root of 22212748 is about 281.1042617454.

The spelling of 22212748 in words is "twenty-two million, two hundred twelve thousand, seven hundred forty-eight".