227164520 has 32 divisors (see below), whose sum is σ = 557586720. Its totient is φ = 82605120.

The previous prime is 227164517. The next prime is 227164541. The reversal of 227164520 is 25461722.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257702 + ... + 258581.

It is an arithmetic number, because the mean of its divisors is an integer number (17424585).

Almost surely, 2^227164520 is an apocalyptic number.

227164520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227164520 is an abundant number, since it is smaller than the sum of its proper divisors (330422200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227164520 is a wasteful number, since it uses less digits than its factorization.

227164520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516305 (or 516301 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 227164520 is about 15071.9779723831. The cubic root of 227164520 is about 610.1643559634.

The spelling of 227164520 in words is "two hundred twenty-seven million, one hundred sixty-four thousand, five hundred twenty".