228108456 has 48 divisors (see below), whose sum is σ = 618857460. Its totient is φ = 75905280.

The previous prime is 228108427. The next prime is 228108479. The reversal of 228108456 is 654801822.

It can be written as a sum of positive squares in 2 ways, for example, as 199656900 + 28451556 = 14130^2 + 5334^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 228108456.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45196 + ... + 49988.

Almost surely, 2^228108456 is an apocalyptic number.

It is an amenable number.

228108456 is an abundant number, since it is smaller than the sum of its proper divisors (390749004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228108456 is a wasteful number, since it uses less digits than its factorization.

228108456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466 (or 5459 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 228108456 is about 15103.2597805904. The cubic root of 228108456 is about 611.0083260545.

The spelling of 228108456 in words is "two hundred twenty-eight million, one hundred eight thousand, four hundred fifty-six".