22746790 has 32 divisors (see below), whose sum is σ = 45061920. Its totient is φ = 8266720.

The previous prime is 22746769. The next prime is 22746803. The reversal of 22746790 is 9764722.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 12456 + ... + 14164.

It is an arithmetic number, because the mean of its divisors is an integer number (1408185).

Almost surely, 2^22746790 is an apocalyptic number.

22746790 is a deficient number, since it is larger than the sum of its proper divisors (22315130).

22746790 is a wasteful number, since it uses less digits than its factorization.

22746790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 22746790 is about 4769.3594957814. The cubic root of 22746790 is about 283.3392278666.

The spelling of 22746790 in words is "twenty-two million, seven hundred forty-six thousand, seven hundred ninety".