22228208 has 20 divisors (see below), whose sum is σ = 43659408. Its totient is φ = 10961280.

The previous prime is 22228207. The next prime is 22228223. The reversal of 22228208 is 80282222.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22228207) 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, 8348 + ... + 10683.

Almost surely, 2^22228208 is an apocalyptic number.

It is an amenable number.

22228208 is a deficient number, since it is larger than the sum of its proper divisors (21431200).

22228208 is a wasteful number, since it uses less digits than its factorization.

22228208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19112 (or 19106 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 22228208 is about 4714.6800527713. The cubic root of 22228208 is about 281.1694625036.

The spelling of 22228208 in words is "twenty-two million, two hundred twenty-eight thousand, two hundred eight".