227992990 has 32 divisors (see below), whose sum is σ = 419857056. Its totient is φ = 89112960.

The previous prime is 227992987. The next prime is 227993039. The reversal of 227992990 is 99299722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98284 + ... + 100576.

It is an arithmetic number, because the mean of its divisors is an integer number (13120533).

Almost surely, 2^227992990 is an apocalyptic number.

227992990 is a deficient number, since it is larger than the sum of its proper divisors (191864066).

227992990 is a wasteful number, since it uses less digits than its factorization.

227992990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 227992990 is about 15099.4367444617. The cubic root of 227992990 is about 610.9052134153.

The spelling of 227992990 in words is "two hundred twenty-seven million, nine hundred ninety-two thousand, nine hundred ninety".