228100356 has 144 divisors (see below), whose sum is σ = 688117248. Its totient is φ = 62899200.

The previous prime is 228100349. The next prime is 228100357. The reversal of 228100356 is 653001822.

It is not an unprimeable number, because it can be changed into a prime (228100357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208146 + ... + 209238.

It is an arithmetic number, because the mean of its divisors is an integer number (4778592).

Almost surely, 2^228100356 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 228100356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344058624).

228100356 is an abundant number, since it is smaller than the sum of its proper divisors (460016892).

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

228100356 is a wasteful number, since it uses less digits than its factorization.

228100356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 228100356 is about 15102.9916241783. The cubic root of 228100356 is about 611.0010937842.

The spelling of 228100356 in words is "two hundred twenty-eight million, one hundred thousand, three hundred fifty-six".