228107915898 has 16 divisors (see below), whose sum is σ = 456281965920. Its totient is φ = 76024949616.

The previous prime is 228107915821. The next prime is 228107915929. The reversal of 228107915898 is 898519701822.

It is a super-2 number, since 2×228107915898² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710693 + ... + 2793576.

It is an arithmetic number, because the mean of its divisors is an integer number (28517622870).

Almost surely, 2^228107915898 is an apocalyptic number.

228107915898 is an abundant number, since it is smaller than the sum of its proper divisors (228174050022).

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

228107915898 is a wasteful number, since it uses less digits than its factorization.

228107915898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511181.

The product of its (nonzero) digits is 5806080, while the sum is 60.

The spelling of 228107915898 in words is "two hundred twenty-eight billion, one hundred seven million, nine hundred fifteen thousand, eight hundred ninety-eight".