227890 has 16 divisors (see below), whose sum is σ = 442008. Its totient is φ = 84096.

The previous prime is 227873. The next prime is 227893. The reversal of 227890 is 98722.

It can be written as a sum of positive squares in 4 ways, for example, as 73441 + 154449 = 271^2 + 393^2 .

It is not an unprimeable number, because it can be changed into a prime (227893) by changing a digit.

227890 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747 + ... + 1006.

2²²⁷⁸⁹⁰ is an apocalyptic number.

227890 is a deficient number, since it is larger than the sum of its proper divisors (214118).

227890 is a wasteful number, since it uses less digits than its factorization.

227890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 227890 is about 477.3782567315. The cubic root of 227890 is about 61.0813212628.

The spelling of 227890 in words is "two hundred twenty-seven thousand, eight hundred ninety".