229478182905898 has 4 divisors (see below), whose sum is σ = 344217274358850. Its totient is φ = 114739091452948.

The previous prime is 229478182905893. The next prime is 229478182905919. The reversal of 229478182905898 is 898509281874922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 215345147177449 + 14133035728449 = 14674643^2 + 3759393^2 .

It is not an unprimeable number, because it can be changed into a prime (229478182905893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57369545726473 + ... + 57369545726476.

Almost surely, 2^{229478182905898} is an apocalyptic number.

229478182905898 is a deficient number, since it is larger than the sum of its proper divisors (114739091452952).

229478182905898 is a wasteful number, since it uses less digits than its factorization.

229478182905898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114739091452951.

The product of its (nonzero) digits is 3344302080, while the sum is 82.

The spelling of 229478182905898 in words is "two hundred twenty-nine trillion, four hundred seventy-eight billion, one hundred eighty-two million, nine hundred five thousand, eight hundred ninety-eight".