228821473674 has 24 divisors (see below), whose sum is σ = 495788674212. Its totient is φ = 76272468480.

The previous prime is 228821473667. The next prime is 228821473693. The reversal of 228821473674 is 476374128822.

228821473674 is a `hidden beast` number, since 2 + 2 + 88 + 21 + 473 + 6 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 227617730649 + 1203743025 = 477093^2 + 34695^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228821473674.

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, 1836394 + ... + 1957034.

Almost surely, 2^228821473674 is an apocalyptic number.

228821473674 is an abundant number, since it is smaller than the sum of its proper divisors (266967200538).

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

228821473674 is a wasteful number, since it uses less digits than its factorization.

228821473674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226022 (or 226019 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 228821473674 in words is "two hundred twenty-eight billion, eight hundred twenty-one million, four hundred seventy-three thousand, six hundred seventy-four".