228891592 has 16 divisors (see below), whose sum is σ = 432552960. Its totient is φ = 113544144.

The previous prime is 228891589. The next prime is 228891617. The reversal of 228891592 is 295198822.

228891592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 111628 + ... + 113659.

It is an arithmetic number, because the mean of its divisors is an integer number (27034560).

Almost surely, 2^228891592 is an apocalyptic number.

It is an amenable number.

228891592 is a deficient number, since it is larger than the sum of its proper divisors (203661368).

228891592 is a wasteful number, since it uses less digits than its factorization.

228891592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225420 (or 225416 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 228891592 is about 15129.1636252636. The cubic root of 228891592 is about 611.7067599963.

The spelling of 228891592 in words is "two hundred twenty-eight million, eight hundred ninety-one thousand, five hundred ninety-two".