165662228 has 12 divisors (see below), whose sum is σ = 290260320. Its totient is φ = 82730712.

The previous prime is 165662227. The next prime is 165662249. The reversal of 165662228 is 822266561.

It is a junction number, because it is equal to n+sod(n) for n = 165662191 and 165662200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165662227) 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, 21326 + ... + 28037.

It is an arithmetic number, because the mean of its divisors is an integer number (24188360).

Almost surely, 2^165662228 is an apocalyptic number.

It is an amenable number.

165662228 is a deficient number, since it is larger than the sum of its proper divisors (124598092).

165662228 is a wasteful number, since it uses less digits than its factorization.

165662228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50206 (or 50204 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 165662228 is about 12870.9839561706. The cubic root of 165662228 is about 549.2134520125.

The spelling of 165662228 in words is "one hundred sixty-five million, six hundred sixty-two thousand, two hundred twenty-eight".