228833902872 has 192 divisors, whose sum is σ = 688174250400. Its totient is φ = 70983475200.

The previous prime is 228833902867. The next prime is 228833902901. The reversal of 228833902872 is 278209338822.

It is a happy number.

228833902872 is a `hidden beast` number, since 2 + 28 + 8 + 339 + 0 + 287 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2902372 + ... + 2980172.

Almost surely, 2^228833902872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228833902872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344087125200).

228833902872 is an abundant number, since it is smaller than the sum of its proper divisors (459340347528).

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

228833902872 is a wasteful number, since it uses less digits than its factorization.

228833902872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77928 (or 77912 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 228833902872 in words is "two hundred twenty-eight billion, eight hundred thirty-three million, nine hundred two thousand, eight hundred seventy-two".