22840790 has 32 divisors (see below), whose sum is σ = 47200320. Its totient is φ = 7795584.

The previous prime is 22840789. The next prime is 22840819. The reversal of 22840790 is 9704822.

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, 18224 + ... + 19436.

It is an arithmetic number, because the mean of its divisors is an integer number (1475010).

Almost surely, 2^22840790 is an apocalyptic number.

22840790 is an abundant number, since it is smaller than the sum of its proper divisors (24359530).

22840790 is a wasteful number, since it uses less digits than its factorization.

22840790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22840790 is about 4779.2039086024. The cubic root of 22840790 is about 283.7289866512.

The spelling of 22840790 in words is "twenty-two million, eight hundred forty thousand, seven hundred ninety".