22855008 has 96 divisors (see below), whose sum is σ = 68366592. Its totient is φ = 6617600.

The previous prime is 22854991. The next prime is 22855009. The reversal of 22855008 is 80055822.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22855009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23818 + ... + 24758.

It is an arithmetic number, because the mean of its divisors is an integer number (712152).

Almost surely, 2^22855008 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 22855008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34183296).

22855008 is an abundant number, since it is smaller than the sum of its proper divisors (45511584).

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

22855008 is a wasteful number, since it uses less digits than its factorization.

22855008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 22855008 is about 4780.6911634198. The cubic root of 22855008 is about 283.7878465823.

The spelling of 22855008 in words is "twenty-two million, eight hundred fifty-five thousand, eight".