228590701738 has 24 divisors (see below), whose sum is σ = 409647656772. Its totient is φ = 95319673344.

The previous prime is 228590701721. The next prime is 228590701799. The reversal of 228590701738 is 837107095822.

It can be written as a sum of positive squares in 2 ways, for example, as 199132815049 + 29457886689 = 446243^2 + 171633^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31517431 + ... + 31524682.

Almost surely, 2^228590701738 is an apocalyptic number.

228590701738 is a deficient number, since it is larger than the sum of its proper divisors (181056955034).

228590701738 is a wasteful number, since it uses less digits than its factorization.

228590701738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63042166 (or 63042159 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 228590701738 in words is "two hundred twenty-eight billion, five hundred ninety million, seven hundred one thousand, seven hundred thirty-eight".