228235632177 has 32 divisors (see below), whose sum is σ = 359817569280. Its totient is φ = 125910066240.

The previous prime is 228235632173. The next prime is 228235632179. The reversal of 228235632177 is 771236532822.

It is not a de Polignac number, because 228235632177 - 2² = 228235632173 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228235632173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10977802 + ... + 10998572.

It is an arithmetic number, because the mean of its divisors is an integer number (11244299040).

Almost surely, 2^228235632177 is an apocalyptic number.

It is an amenable number.

228235632177 is a deficient number, since it is larger than the sum of its proper divisors (131581937103).

228235632177 is a wasteful number, since it uses less digits than its factorization.

228235632177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38853.

The product of its digits is 1693440, while the sum is 48.

The spelling of 228235632177 in words is "two hundred twenty-eight billion, two hundred thirty-five million, six hundred thirty-two thousand, one hundred seventy-seven".