22323664 has 20 divisors (see below), whose sum is σ = 47184480. Its totient is φ = 10147040.

The previous prime is 22323647. The next prime is 22323667. The reversal of 22323664 is 46632322.

It is a super-3 number, since 3×22323664³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63244 + ... + 63595.

It is an arithmetic number, because the mean of its divisors is an integer number (2359224).

Almost surely, 2^22323664 is an apocalyptic number.

It is an amenable number.

22323664 is an abundant number, since it is smaller than the sum of its proper divisors (24860816).

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

22323664 is a wasteful number, since it uses less digits than its factorization.

22323664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126858 (or 126852 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 22323664 is about 4724.7924822155. The cubic root of 22323664 is about 281.5713690115.

Adding to 22323664 its reverse (46632322), we get a palindrome (68955986).

The spelling of 22323664 in words is "twenty-two million, three hundred twenty-three thousand, six hundred sixty-four".