165003224 has 16 divisors (see below), whose sum is σ = 327580200. Its totient is φ = 77648512.

The previous prime is 165003203. The next prime is 165003233. The reversal of 165003224 is 422300561.

It is a self number, because there is not a number n which added to its sum of digits gives 165003224.

It is a congruent number.

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, 606494 + ... + 606765.

Almost surely, 2^165003224 is an apocalyptic number.

It is an amenable number.

165003224 is a deficient number, since it is larger than the sum of its proper divisors (162576976).

165003224 is a wasteful number, since it uses less digits than its factorization.

165003224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213282 (or 1213278 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 165003224 is about 12845.3580720819. The cubic root of 165003224 is about 548.4842275465.

Adding to 165003224 its reverse (422300561), we get a palindrome (587303785).

The spelling of 165003224 in words is "one hundred sixty-five million, three thousand, two hundred twenty-four".