320252227 has 4 divisors (see below), whose sum is σ = 330582976. Its totient is φ = 309921480.

The previous prime is 320252221. The next prime is 320252243. The reversal of 320252227 is 722252023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320252227 is a prime.

It is a super-2 number, since 2×320252227² = 205122977796919058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320252221) by changing a digit.

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, 5165328 + ... + 5165389.

It is an arithmetic number, because the mean of its divisors is an integer number (82645744).

Almost surely, 2^320252227 is an apocalyptic number.

320252227 is a deficient number, since it is larger than the sum of its proper divisors (10330749).

320252227 is a wasteful number, since it uses less digits than its factorization.

320252227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10330748.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 320252227 is about 17895.5923903066. The cubic root of 320252227 is about 684.1700406848.

The spelling of 320252227 in words is "three hundred twenty million, two hundred fifty-two thousand, two hundred twenty-seven".