221160232 has 16 divisors (see below), whose sum is σ = 424790100. Its totient is φ = 107882880.

The previous prime is 221160217. The next prime is 221160241. The reversal of 221160232 is 232061122.

It can be written as a sum of positive squares in 2 ways, for example, as 219454596 + 1705636 = 14814^2 + 1306^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336807 + ... + 337462.

Almost surely, 2^221160232 is an apocalyptic number.

It is an amenable number.

221160232 is a deficient number, since it is larger than the sum of its proper divisors (203629868).

221160232 is a wasteful number, since it uses less digits than its factorization.

221160232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674316 (or 674312 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 221160232 is about 14871.4569561963. The cubic root of 221160232 is about 604.7404409893.

The spelling of 221160232 in words is "two hundred twenty-one million, one hundred sixty thousand, two hundred thirty-two".