228597100 has 72 divisors (see below), whose sum is σ = 526160768. Its totient is φ = 86054400.

The previous prime is 228597059. The next prime is 228597107. The reversal of 228597100 is 1795822.

It is not an unprimeable number, because it can be changed into a prime (228597107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113704 + ... + 115696.

Almost surely, 2^228597100 is an apocalyptic number.

228597100 is a gapful number since it is divisible by the number (20) 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 228597100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263080384).

228597100 is an abundant number, since it is smaller than the sum of its proper divisors (297563668).

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

228597100 is a wasteful number, since it uses less digits than its factorization.

228597100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 228597100 is about 15119.4278992295. The cubic root of 228597100 is about 611.4443066982. Note that the first 3 decimals are identical.

The spelling of 228597100 in words is "two hundred twenty-eight million, five hundred ninety-seven thousand, one hundred".