228939588244 has 24 divisors (see below), whose sum is σ = 407600865000. Its totient is φ = 112485780480.

The previous prime is 228939588223. The next prime is 228939588271. The reversal of 228939588244 is 442885939822.

It can be written as a sum of positive squares in 4 ways, for example, as 18019840644 + 210919747600 = 134238^2 + 459260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191269 + ... + 703180.

It is an arithmetic number, because the mean of its divisors is an integer number (16983369375).

Almost surely, 2^228939588244 is an apocalyptic number.

It is an amenable number.

228939588244 is a deficient number, since it is larger than the sum of its proper divisors (178661276756).

228939588244 is a wasteful number, since it uses less digits than its factorization.

228939588244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895563 (or 895561 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 64.

The spelling of 228939588244 in words is "two hundred twenty-eight billion, nine hundred thirty-nine million, five hundred eighty-eight thousand, two hundred forty-four".