228888873631 has 8 divisors (see below), whose sum is σ = 249725834064. Its totient is φ = 208056726720.

The previous prime is 228888873593. The next prime is 228888873743. The reversal of 228888873631 is 136378888822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 228888873631 - 2⁷ = 228888873503 is a prime.

It is a super-2 number, since 2×228888873631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228888870631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103590 + ... + 1294483.

It is an arithmetic number, because the mean of its divisors is an integer number (31215729258).

Almost surely, 2^228888873631 is an apocalyptic number.

228888873631 is a deficient number, since it is larger than the sum of its proper divisors (20836960433).

228888873631 is a wasteful number, since it uses less digits than its factorization.

228888873631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406761.

The product of its digits is 49545216, while the sum is 64.

The spelling of 228888873631 in words is "two hundred twenty-eight billion, eight hundred eighty-eight million, eight hundred seventy-three thousand, six hundred thirty-one".