22608320 has 56 divisors (see below), whose sum is σ = 61533024. Its totient is φ = 7750656.

The previous prime is 22608259. The next prime is 22608337. The reversal of 22608320 is 2380622.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×22608320² = 1022272266444800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2807 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (1098804).

Almost surely, 2^22608320 is an apocalyptic number.

22608320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22608320 is an abundant number, since it is smaller than the sum of its proper divisors (38924704).

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

22608320 is a wasteful number, since it uses less digits than its factorization.

22608320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117 (or 10107 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 22608320 is about 4754.8207116567. The cubic root of 22608320 is about 282.7631192540.

Adding to 22608320 its reverse (2380622), we get a palindrome (24988942).

The spelling of 22608320 in words is "twenty-two million, six hundred eight thousand, three hundred twenty".