22690364 has 6 divisors (see below), whose sum is σ = 39708144. Its totient is φ = 11345180.

The previous prime is 22690321. The next prime is 22690387. The reversal of 22690364 is 46309622.

It is a self number, because there is not a number n which added to its sum of digits gives 22690364.

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 as a sum of consecutive naturals, namely, 2836292 + ... + 2836299.

It is an arithmetic number, because the mean of its divisors is an integer number (6618024).

Almost surely, 2^22690364 is an apocalyptic number.

It is an amenable number.

22690364 is a deficient number, since it is larger than the sum of its proper divisors (17017780).

22690364 is a wasteful number, since it uses less digits than its factorization.

22690364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672595 (or 5672593 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 22690364 is about 4763.4403533581. The cubic root of 22690364 is about 283.1047488143.

Adding to 22690364 its reverse (46309622), we get a palindrome (68999986).

The spelling of 22690364 in words is "twenty-two million, six hundred ninety thousand, three hundred sixty-four".