165227884 has 12 divisors (see below), whose sum is σ = 290923864. Its totient is φ = 82106784.

The previous prime is 165227849. The next prime is 165227897. The reversal of 165227884 is 488722561.

It is a happy number.

It is a super-2 number, since 2×165227884² = 54600507302234912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 165227884.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126057 + ... + 127360.

Almost surely, 2^165227884 is an apocalyptic number.

It is an amenable number.

165227884 is a deficient number, since it is larger than the sum of its proper divisors (125695980).

165227884 is a wasteful number, since it uses less digits than its factorization.

165227884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253584 (or 253582 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 165227884 is about 12854.0998906964. The cubic root of 165227884 is about 548.7330440673.

The spelling of 165227884 in words is "one hundred sixty-five million, two hundred twenty-seven thousand, eight hundred eighty-four".