22668594 has 16 divisors (see below), whose sum is σ = 48824832. Its totient is φ = 6974928.

The previous prime is 22668589. The next prime is 22668623. The reversal of 22668594 is 49586622.

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, 145234 + ... + 145389.

It is an arithmetic number, because the mean of its divisors is an integer number (3051552).

Almost surely, 2^22668594 is an apocalyptic number.

22668594 is an abundant number, since it is smaller than the sum of its proper divisors (26156238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22668594 is a wasteful number, since it uses less digits than its factorization.

22668594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290641.

The product of its digits is 207360, while the sum is 42.

The square root of 22668594 is about 4761.1546918789. The cubic root of 22668594 is about 283.0141793476.

The spelling of 22668594 in words is "twenty-two million, six hundred sixty-eight thousand, five hundred ninety-four".