22664870 has 16 divisors (see below), whose sum is σ = 41746320. Its totient is φ = 8854944.

The previous prime is 22664861. The next prime is 22664879. The reversal of 22664870 is 7846622.

It is an interprime number because it is at equal distance from previous prime (22664861) and next prime (22664879).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22664870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22664879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25925 + ... + 26784.

It is an arithmetic number, because the mean of its divisors is an integer number (2609145).

Almost surely, 2^22664870 is an apocalyptic number.

22664870 is a deficient number, since it is larger than the sum of its proper divisors (19081450).

22664870 is a wasteful number, since it uses less digits than its factorization.

22664870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52759.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 22664870 is about 4760.7635942147. The cubic root of 22664870 is about 282.9986806283.

The spelling of 22664870 in words is "twenty-two million, six hundred sixty-four thousand, eight hundred seventy".