228575888450 has 162 divisors, whose sum is σ = 536255091819. Its totient is φ = 72243138240.

The previous prime is 228575888389. The next prime is 228575888521. The reversal of 228575888450 is 54888575822.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 14309662129 + 214266226321 = 119623^2 + 462889^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338065.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 307638779 + ... + 307639521.

Almost surely, 2^228575888450 is an apocalyptic number.

228575888450 is an abundant number, since it is smaller than the sum of its proper divisors (307679203369).

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

228575888450 is an equidigital number, since it uses as much as digits as its factorization.

228575888450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 57344000, while the sum is 62.

The spelling of 228575888450 in words is "two hundred twenty-eight billion, five hundred seventy-five million, eight hundred eighty-eight thousand, four hundred fifty".