22608880 has 80 divisors (see below), whose sum is σ = 61424640. Its totient is φ = 7577856.

The previous prime is 22608863. The next prime is 22608881. The reversal of 22608880 is 8880622.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×22608880² = 1022322909708800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22608881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25891 + ... + 26749.

It is an arithmetic number, because the mean of its divisors is an integer number (767808).

Almost surely, 2^22608880 is an apocalyptic number.

22608880 is a gapful number since it is divisible by the number (20) 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 22608880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30712320).

22608880 is an abundant number, since it is smaller than the sum of its proper divisors (38815760).

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

22608880 is a wasteful number, since it uses less digits than its factorization.

22608880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 22608880 is about 4754.8795988963. The cubic root of 22608880 is about 282.7654538818.

The spelling of 22608880 in words is "twenty-two million, six hundred eight thousand, eight hundred eighty".