22964390 has 16 divisors (see below), whose sum is σ = 41602032. Its totient is φ = 9126624.

The previous prime is 22964353. The next prime is 22964429. The reversal of 22964390 is 9346922.

It is a self number, because there is not a number n which added to its sum of digits gives 22964390.

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 7 ways as a sum of consecutive naturals, for example, 5744 + ... + 8883.

It is an arithmetic number, because the mean of its divisors is an integer number (2600127).

Almost surely, 2^22964390 is an apocalyptic number.

22964390 is a deficient number, since it is larger than the sum of its proper divisors (18637642).

22964390 is a wasteful number, since it uses less digits than its factorization.

22964390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14791.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 22964390 is about 4792.1174860389. The cubic root of 22964390 is about 284.2398539093.

The spelling of 22964390 in words is "twenty-two million, nine hundred sixty-four thousand, three hundred ninety".