22700664 has 96 divisors (see below), whose sum is σ = 71341920. Its totient is φ = 6386688.

The previous prime is 22700653. The next prime is 22700669. The reversal of 22700664 is 46600722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22700669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36484 + ... + 37100.

It is an arithmetic number, because the mean of its divisors is an integer number (743145).

Almost surely, 2^22700664 is an apocalyptic number.

22700664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22700664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35670960).

22700664 is an abundant number, since it is smaller than the sum of its proper divisors (48641256).

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

22700664 is a wasteful number, since it uses less digits than its factorization.

22700664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 22700664 is about 4764.5213820488. The cubic root of 22700664 is about 283.1475795918.

The spelling of 22700664 in words is "twenty-two million, seven hundred thousand, six hundred sixty-four".