227290 has 32 divisors (see below), whose sum is σ = 497664. Its totient is φ = 72960.

The previous prime is 227281. The next prime is 227299. The reversal of 227290 is 92722.

It is an interprime number because it is at equal distance from previous prime (227281) and next prime (227299).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (227299) 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 15 ways as a sum of consecutive naturals, for example, 1095 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (15552).

2²²⁷²⁹⁰ is an apocalyptic number.

227290 is an abundant number, since it is smaller than the sum of its proper divisors (270374).

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

227290 is a wasteful number, since it uses less digits than its factorization.

227290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 227290 is about 476.7494100678. The cubic root of 227290 is about 61.0276681794.

It can be divided in two parts, 2272 and 90, that multiplied together give a triangular number (204480 = T₆₃₉).

The spelling of 227290 in words is "two hundred twenty-seven thousand, two hundred ninety".