229874975217 has 20 divisors (see below), whose sum is σ = 343783365156. Its totient is φ = 153075985920.

The previous prime is 229874975201. The next prime is 229874975219. The reversal of 229874975217 is 712579478922.

229874975217 is a `hidden beast` number, since 2 + 2 + 9 + 87 + 497 + 52 + 17 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41661300321 + 188213674896 = 204111^2 + 433836^2 .

It is not a de Polignac number, because 229874975217 - 2⁴ = 229874975201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229874975219) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1539288 + ... + 1682009.

Almost surely, 2^229874975217 is an apocalyptic number.

229874975217 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

229874975217 is a deficient number, since it is larger than the sum of its proper divisors (113908389939).

229874975217 is an equidigital number, since it uses as much as digits as its factorization.

229874975217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222190 (or 3222181 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 229874975217 in words is "two hundred twenty-nine billion, eight hundred seventy-four million, nine hundred seventy-five thousand, two hundred seventeen".