228942493636 has 24 divisors (see below), whose sum is σ = 424233482400. Its totient is φ = 107733451392.

The previous prime is 228942493627. The next prime is 228942493643. The reversal of 228942493636 is 636394249822.

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, 2338771 + ... + 2434693.

It is an arithmetic number, because the mean of its divisors is an integer number (17676395100).

Almost surely, 2^228942493636 is an apocalyptic number.

It is an amenable number.

228942493636 is a deficient number, since it is larger than the sum of its proper divisors (195290988764).

228942493636 is a wasteful number, since it uses less digits than its factorization.

228942493636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131043 (or 131041 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 58.

The spelling of 228942493636 in words is "two hundred twenty-eight billion, nine hundred forty-two million, four hundred ninety-three thousand, six hundred thirty-six".