22748812 has 12 divisors (see below), whose sum is σ = 39877936. Its totient is φ = 11355120.

The previous prime is 22748801. The next prime is 22748827. The reversal of 22748812 is 21884722.

It is a super-2 number, since 2×22748812² = 1035016894822688, which contains 22 as substring.

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, 1983 + ... + 7030.

Almost surely, 2^22748812 is an apocalyptic number.

It is an amenable number.

22748812 is a deficient number, since it is larger than the sum of its proper divisors (17129124).

22748812 is a wasteful number, since it uses less digits than its factorization.

22748812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9648 (or 9646 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 22748812 is about 4769.5714692203. The cubic root of 22748812 is about 283.3476231163.

The spelling of 22748812 in words is "twenty-two million, seven hundred forty-eight thousand, eight hundred twelve".