22285208 has 32 divisors (see below), whose sum is σ = 45902160. Its totient is φ = 10058880.

The previous prime is 22285171. The next prime is 22285213. The reversal of 22285208 is 80258222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13010 + ... + 14622.

Almost surely, 2^22285208 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 22285208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22951080).

22285208 is an abundant number, since it is smaller than the sum of its proper divisors (23616952).

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

22285208 is a wasteful number, since it uses less digits than its factorization.

22285208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 22285208 is about 4720.7211313527. The cubic root of 22285208 is about 281.4095925183.

The spelling of 22285208 in words is "twenty-two million, two hundred eighty-five thousand, two hundred eight".