22813748 has 6 divisors (see below), whose sum is σ = 39924066. Its totient is φ = 11406872.

The previous prime is 22813733. The next prime is 22813751. The reversal of 22813748 is 84731822.

It can be written as a sum of positive squares in only one way, i.e., 22486564 + 327184 = 4742^2 + 572^2 .

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 as a sum of consecutive naturals, namely, 2851715 + ... + 2851722.

It is an arithmetic number, because the mean of its divisors is an integer number (6654011).

Almost surely, 2^22813748 is an apocalyptic number.

It is an amenable number.

22813748 is a deficient number, since it is larger than the sum of its proper divisors (17110318).

22813748 is a wasteful number, since it uses less digits than its factorization.

22813748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703441 (or 5703439 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 22813748 is about 4776.3739384600. The cubic root of 22813748 is about 283.6169702512.

The spelling of 22813748 in words is "twenty-two million, eight hundred thirteen thousand, seven hundred forty-eight".