228472888 has 48 divisors (see below), whose sum is σ = 505407600. Its totient is φ = 96526080.

The previous prime is 228472847. The next prime is 228472897. The reversal of 228472888 is 888274822.

228472888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23728 + ... + 31936.

It is an arithmetic number, because the mean of its divisors is an integer number (10529325).

Almost surely, 2^228472888 is an apocalyptic number.

228472888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228472888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252703800).

228472888 is an abundant number, since it is smaller than the sum of its proper divisors (276934712).

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

228472888 is a wasteful number, since it uses less digits than its factorization.

228472888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300 (or 8289 counting only the distinct ones).

The product of its digits is 917504, while the sum is 49.

The square root of 228472888 is about 15115.3196459751. The cubic root of 228472888 is about 611.3335405214. Note that the first 3 decimals are identical.

The spelling of 228472888 in words is "two hundred twenty-eight million, four hundred seventy-two thousand, eight hundred eighty-eight".