228458850 has 72 divisors (see below), whose sum is σ = 598109040. Its totient is φ = 57702240.

The previous prime is 228458843. The next prime is 228458917. The reversal of 228458850 is 58854822.

It is a super-2 number, since 2×228458850² = 104386892286645000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52041 + ... + 56259.

It is an arithmetic number, because the mean of its divisors is an integer number (8307070).

Almost surely, 2^228458850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228458850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299054520).

228458850 is an abundant number, since it is smaller than the sum of its proper divisors (369650190).

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

228458850 is a wasteful number, since it uses less digits than its factorization.

228458850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272 (or 4248 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 42.

The square root of 228458850 is about 15114.8552755228. The cubic root of 228458850 is about 611.3210195959.

The spelling of 228458850 in words is "two hundred twenty-eight million, four hundred fifty-eight thousand, eight hundred fifty".