22208068 has 6 divisors (see below), whose sum is σ = 38864126. Its totient is φ = 11104032.

The previous prime is 22208063. The next prime is 22208071. The reversal of 22208068 is 86080222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14379264 + 7828804 = 3792^2 + 2798^2 .

It is not an unprimeable number, because it can be changed into a prime (22208063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776005 + ... + 2776012.

Almost surely, 2^22208068 is an apocalyptic number.

It is an amenable number.

22208068 is a deficient number, since it is larger than the sum of its proper divisors (16656058).

22208068 is a wasteful number, since it uses less digits than its factorization.

22208068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552021 (or 5552019 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 22208068 is about 4712.5436868002. The cubic root of 22208068 is about 281.0845184228.

The spelling of 22208068 in words is "twenty-two million, two hundred eight thousand, sixty-eight".