227990 has 16 divisors (see below), whose sum is σ = 469152. Its totient is φ = 78144.

The previous prime is 227989. The next prime is 227993. The reversal of 227990 is 99722.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227993) by changing a digit.

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, 1559 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (29322).

2²²⁷⁹⁹⁰ is an apocalyptic number.

227990 is an abundant number, since it is smaller than the sum of its proper divisors (241162).

It is a weird number, because it is abundant, but not a pseudoperfect number.

227990 is a wasteful number, since it uses less digits than its factorization.

227990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 227990 is about 477.4829839900. The cubic root of 227990 is about 61.0902542844.

The spelling of 227990 in words is "two hundred twenty-seven thousand, nine hundred ninety".