228063224640 has 56 divisors (see below), whose sum is σ = 724100741280. Its totient is φ = 60816859648.

The previous prime is 228063224639. The next prime is 228063224713. The reversal of 228063224640 is 46422360822.

It is a happy number.

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, 118781970 + ... + 118783889.

It is an arithmetic number, because the mean of its divisors is an integer number (12930370380).

Almost surely, 2^228063224640 is an apocalyptic number.

228063224640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228063224640 is an abundant number, since it is smaller than the sum of its proper divisors (496037516640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228063224640 is a wasteful number, since it uses less digits than its factorization.

228063224640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237565879 (or 237565869 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 228063224640 in words is "two hundred twenty-eight billion, sixty-three million, two hundred twenty-four thousand, six hundred forty".