228710992 has 20 divisors (see below), whose sum is σ = 444771136. Its totient is φ = 113931360.

The previous prime is 228710987. The next prime is 228711029. The reversal of 228710992 is 299017822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22038 + ... + 30709.

Almost surely, 2^228710992 is an apocalyptic number.

It is an amenable number.

228710992 is a deficient number, since it is larger than the sum of its proper divisors (216060144).

228710992 is a wasteful number, since it uses less digits than its factorization.

228710992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53026 (or 53020 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 228710992 is about 15123.1938425717. The cubic root of 228710992 is about 611.5458347476.

The spelling of 228710992 in words is "two hundred twenty-eight million, seven hundred ten thousand, nine hundred ninety-two".