22208858 has 12 divisors (see below), whose sum is σ = 38752362. Its totient is φ = 9518040.

The previous prime is 22208833. The next prime is 22208903. The reversal of 22208858 is 85880222.

It can be written as a sum of positive squares in only one way, i.e., 20638849 + 1570009 = 4543^2 + 1253^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113213 + ... + 113408.

Almost surely, 2^22208858 is an apocalyptic number.

22208858 is a deficient number, since it is larger than the sum of its proper divisors (16543504).

22208858 is a wasteful number, since it uses less digits than its factorization.

22208858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226637 (or 226630 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 22208858 is about 4712.6275049064. The cubic root of 22208858 is about 281.0878513577.

The spelling of 22208858 in words is "twenty-two million, two hundred eight thousand, eight hundred fifty-eight".