22656030 has 32 divisors (see below), whose sum is σ = 54691200. Its totient is φ = 6006432.

The previous prime is 22656001. The next prime is 22656031. The reversal of 22656030 is 3065622.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22656031) by changing a digit.

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, 3261 + ... + 7479.

It is an arithmetic number, because the mean of its divisors is an integer number (1709100).

Almost surely, 2^22656030 is an apocalyptic number.

22656030 is an abundant number, since it is smaller than the sum of its proper divisors (32035170).

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

22656030 is a wasteful number, since it uses less digits than its factorization.

22656030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 22656030 is about 4759.8350811767. The cubic root of 22656030 is about 282.9618830990.

The spelling of 22656030 in words is "twenty-two million, six hundred fifty-six thousand, thirty".