228882688 has 18 divisors (see below), whose sum is σ = 456871814. Its totient is φ = 114441216.

The previous prime is 228882659. The next prime is 228882691. The reversal of 228882688 is 886288822.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 186267904 + 42614784 = 13648^2 + 6528^2 .

It is a super-2 number, since 2×228882688² = 104774569732210688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446781 + ... + 447292.

Almost surely, 2^228882688 is an apocalyptic number.

It is an amenable number.

228882688 is a deficient number, since it is larger than the sum of its proper divisors (227989126).

228882688 is an frugal number, since it uses more digits than its factorization.

228882688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894089 (or 894075 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 52.

The square root of 228882688 is about 15128.8693563002. The cubic root of 228882688 is about 611.6988279915.

The spelling of 228882688 in words is "two hundred twenty-eight million, eight hundred eighty-two thousand, six hundred eighty-eight".