228312892 has 24 divisors (see below), whose sum is σ = 434147840. Its totient is φ = 104658480.

The previous prime is 228312869. The next prime is 228312919. The reversal of 228312892 is 298213822.

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 7 ways as a sum of consecutive naturals, for example, 46098 + ... + 50809.

Almost surely, 2^228312892 is an apocalyptic number.

It is an amenable number.

228312892 is a deficient number, since it is larger than the sum of its proper divisors (205834948).

228312892 is a wasteful number, since it uses less digits than its factorization.

228312892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96961 (or 96959 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 228312892 is about 15110.0262077867. The cubic root of 228312892 is about 611.1908047498.

The spelling of 228312892 in words is "two hundred twenty-eight million, three hundred twelve thousand, eight hundred ninety-two".