227975990 has 32 divisors (see below), whose sum is σ = 458589600. Its totient is φ = 80876800.

The previous prime is 227975987. The next prime is 227976029. The reversal of 227975990 is 99579722.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20765 + ... + 29784.

It is an arithmetic number, because the mean of its divisors is an integer number (14330925).

Almost surely, 2^227975990 is an apocalyptic number.

227975990 is an abundant number, since it is smaller than the sum of its proper divisors (230613610).

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

227975990 is a wasteful number, since it uses less digits than its factorization.

227975990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50608.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 227975990 is about 15098.8737990620. The cubic root of 227975990 is about 610.8900292544.

The spelling of 227975990 in words is "two hundred twenty-seven million, nine hundred seventy-five thousand, nine hundred ninety".