228761882 has 8 divisors (see below), whose sum is σ = 343218900. Its totient is φ = 114355584.

The previous prime is 228761857. The next prime is 228761893. The reversal of 228761882 is 288167822.

It can be written as a sum of positive squares in 2 ways, for example, as 163814401 + 64947481 = 12799^2 + 8059^2 .

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

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, 1994 + ... + 21482.

Almost surely, 2^228761882 is an apocalyptic number.

228761882 is a deficient number, since it is larger than the sum of its proper divisors (114457018).

228761882 is a wasteful number, since it uses less digits than its factorization.

228761882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25360.

The product of its digits is 172032, while the sum is 44.

The square root of 228761882 is about 15124.8762639567. The cubic root of 228761882 is about 611.5911893081.

The spelling of 228761882 in words is "two hundred twenty-eight million, seven hundred sixty-one thousand, eight hundred eighty-two".