165562228 has 24 divisors (see below), whose sum is σ = 312996320. Its totient is φ = 76174560.

The previous prime is 165562217. The next prime is 165562249. The reversal of 165562228 is 822265561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12403 + ... + 22021.

Almost surely, 2^165562228 is an apocalyptic number.

It is an amenable number.

165562228 is a deficient number, since it is larger than the sum of its proper divisors (147434092).

165562228 is a wasteful number, since it uses less digits than its factorization.

165562228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967 (or 9965 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 165562228 is about 12867.0986628688. The cubic root of 165562228 is about 549.1029210837.

The spelling of 165562228 in words is "one hundred sixty-five million, five hundred sixty-two thousand, two hundred twenty-eight".