22288608 has 60 divisors (see below), whose sum is σ = 65557800. Its totient is φ = 7428672.

The previous prime is 22288603. The next prime is 22288613. The reversal of 22288608 is 80688222.

22288608 is a `hidden beast` number, since 22 + 28 + 8 + 608 = 666.

It is an interprime number because it is at equal distance from previous prime (22288603) and next prime (22288613).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22288603) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1708 + ... + 6891.

It is an arithmetic number, because the mean of its divisors is an integer number (1092630).

Almost surely, 2^22288608 is an apocalyptic number.

It is an amenable number.

22288608 is an abundant number, since it is smaller than the sum of its proper divisors (43269192).

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

22288608 is an equidigital number, since it uses as much as digits as its factorization.

22288608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8621 (or 8604 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 22288608 is about 4721.0812320908. The cubic root of 22288608 is about 281.4239031163.

The spelling of 22288608 in words is "twenty-two million, two hundred eighty-eight thousand, six hundred eight".