227966220 has 72 divisors (see below), whose sum is σ = 707602896. Its totient is φ = 59375232.

The previous prime is 227966183. The next prime is 227966257. The reversal of 227966220 is 22669722.

227966220 is a `hidden beast` number, since 2 + 27 + 9 + 6 + 622 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (227966183) and next prime (227966257).

It is a super-2 number, since 2×227966220² = 103937194922176800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6987 + ... + 22466.

It is an arithmetic number, because the mean of its divisors is an integer number (9827818).

Almost surely, 2^227966220 is an apocalyptic number.

227966220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227966220 is an abundant number, since it is smaller than the sum of its proper divisors (479636676).

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

227966220 is a wasteful number, since it uses less digits than its factorization.

227966220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29511 (or 29506 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 227966220 is about 15098.5502615317. The cubic root of 227966220 is about 610.8813024862.

The spelling of 227966220 in words is "two hundred twenty-seven million, nine hundred sixty-six thousand, two hundred twenty".