227939720 has 16 divisors (see below), whose sum is σ = 512864460. Its totient is φ = 91175872.

The previous prime is 227939717. The next prime is 227939741. The reversal of 227939720 is 27939722.

It can be written as a sum of positive squares in 2 ways, for example, as 216501796 + 11437924 = 14714^2 + 3382^2 .

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, 2849207 + ... + 2849286.

Almost surely, 2^227939720 is an apocalyptic number.

227939720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227939720 is an abundant number, since it is smaller than the sum of its proper divisors (284924740).

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

227939720 is a wasteful number, since it uses less digits than its factorization.

227939720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5698504 (or 5698500 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 227939720 is about 15097.6726683287. The cubic root of 227939720 is about 610.8576308770.

The spelling of 227939720 in words is "two hundred twenty-seven million, nine hundred thirty-nine thousand, seven hundred twenty".