227891982 has 8 divisors (see below), whose sum is σ = 455783976. Its totient is φ = 75963992.

The previous prime is 227891977. The next prime is 227891999. The reversal of 227891982 is 289198722.

It is a sphenic number, since it is the product of 3 distinct primes.

227891982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18990993 + ... + 18991004.

It is an arithmetic number, because the mean of its divisors is an integer number (56972997).

Almost surely, 2^227891982 is an apocalyptic number.

227891982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

227891982 is a wasteful number, since it uses less digits than its factorization.

227891982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37982002.

The product of its digits is 290304, while the sum is 48.

The square root of 227891982 is about 15096.0916133945. The cubic root of 227891982 is about 610.8149834063.

The spelling of 227891982 in words is "two hundred twenty-seven million, eight hundred ninety-one thousand, nine hundred eighty-two".