22132198 has 36 divisors (see below), whose sum is σ = 39135132. Its totient is φ = 9307840.

The previous prime is 22132189. The next prime is 22132211. The reversal of 22132198 is 89123122.

It is a super-2 number, since 2×22132198² = 979668376622408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 375093 + ... + 375151.

It is an arithmetic number, because the mean of its divisors is an integer number (1087087).

Almost surely, 2^22132198 is an apocalyptic number.

22132198 is a deficient number, since it is larger than the sum of its proper divisors (17002934).

22132198 is a wasteful number, since it uses less digits than its factorization.

22132198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 89 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 22132198 is about 4704.4870071029. The cubic root of 22132198 is about 280.7640611007.

The spelling of 22132198 in words is "twenty-two million, one hundred thirty-two thousand, one hundred ninety-eight".