229974131766828 has 12 divisors (see below), whose sum is σ = 536606307455960. Its totient is φ = 76658043922272.

The previous prime is 229974131766791. The next prime is 229974131766833. The reversal of 229974131766828 is 828667131479922.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×229974131766828² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 229974131766828.

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, 9582255490273 + ... + 9582255490296.

Almost surely, 2^{229974131766828} is an apocalyptic number.

It is an amenable number.

229974131766828 is an abundant number, since it is smaller than the sum of its proper divisors (306632175689132).

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

229974131766828 is a wasteful number, since it uses less digits than its factorization.

229974131766828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19164510980576 (or 19164510980574 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 75.

The spelling of 229974131766828 in words is "two hundred twenty-nine trillion, nine hundred seventy-four billion, one hundred thirty-one million, seven hundred sixty-six thousand, eight hundred twenty-eight".