22295664 has 120 divisors (see below), whose sum is σ = 68187600. Its totient is φ = 6773760.

The previous prime is 22295627. The next prime is 22295699. The reversal of 22295664 is 46659222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79204 + ... + 79484.

It is an arithmetic number, because the mean of its divisors is an integer number (568230).

Almost surely, 2^22295664 is an apocalyptic number.

22295664 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 22295664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34093800).

22295664 is an abundant number, since it is smaller than the sum of its proper divisors (45891936).

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

22295664 is a wasteful number, since it uses less digits than its factorization.

22295664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 334 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 22295664 is about 4721.8284594000. The cubic root of 22295664 is about 281.4535971728.

The spelling of 22295664 in words is "twenty-two million, two hundred ninety-five thousand, six hundred sixty-four".