228115882 has 8 divisors (see below), whose sum is σ = 350519652. Its totient is φ = 111276000.

The previous prime is 228115847. The next prime is 228115883. The reversal of 228115882 is 288511822.

228115882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 165405321 + 62710561 = 12861^2 + 7919^2 .

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

It is not an unprimeable number, because it can be changed into a prime (228115883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390869 + ... + 1391032.

Almost surely, 2^228115882 is an apocalyptic number.

228115882 is a deficient number, since it is larger than the sum of its proper divisors (122403770).

228115882 is a wasteful number, since it uses less digits than its factorization.

228115882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781944.

The product of its digits is 20480, while the sum is 37.

The square root of 228115882 is about 15103.5056195573. The cubic root of 228115882 is about 611.0149563780.

The spelling of 228115882 in words is "two hundred twenty-eight million, one hundred fifteen thousand, eight hundred eighty-two".