22855608 has 56 divisors (see below), whose sum is σ = 64268400. Its totient is φ = 7616592.

The previous prime is 22855607. The next prime is 22855619. The reversal of 22855608 is 80655822.

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 (22855601) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 3873 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (1147650).

Almost surely, 2^22855608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22855608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32134200).

22855608 is an abundant number, since it is smaller than the sum of its proper divisors (41412792).

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

22855608 is an equidigital number, since it uses as much as digits as its factorization.

22855608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 22855608 is about 4780.7539154405. The cubic root of 22855608 is about 283.7903299361.

The spelling of 22855608 in words is "twenty-two million, eight hundred fifty-five thousand, six hundred eight".