22456208 has 20 divisors (see below), whose sum is σ = 45010140. Its totient is φ = 10840704.

The previous prime is 22456207. The next prime is 22456219. The reversal of 22456208 is 80265422.

It can be written as a sum of positive squares in 2 ways, for example, as 14992384 + 7463824 = 3872^2 + 2732^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (22456207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23735 + ... + 24662.

It is an arithmetic number, because the mean of its divisors is an integer number (2250507).

Almost surely, 2^22456208 is an apocalyptic number.

It is an amenable number.

22456208 is an abundant number, since it is smaller than the sum of its proper divisors (22553932).

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

22456208 is a wasteful number, since it uses less digits than its factorization.

22456208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48434 (or 48428 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 22456208 is about 4738.7981598713. The cubic root of 22456208 is about 282.1275348223.

The spelling of 22456208 in words is "twenty-two million, four hundred fifty-six thousand, two hundred eight".