22258008 has 48 divisors (see below), whose sum is σ = 60922680. Its totient is φ = 7340544.

The previous prime is 22258001. The next prime is 22258009. The reversal of 22258008 is 80085222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22258001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5391 + ... + 8577.

Almost surely, 2^22258008 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 22258008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30461340).

22258008 is an abundant number, since it is smaller than the sum of its proper divisors (38664672).

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

22258008 is a wasteful number, since it uses less digits than its factorization.

22258008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 3289 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 22258008 is about 4717.8393359673. The cubic root of 22258008 is about 281.2950553004.

The spelling of 22258008 in words is "twenty-two million, two hundred fifty-eight thousand, eight".