228655306198 has 16 divisors (see below), whose sum is σ = 374170655376. Its totient is φ = 103932167040.

The previous prime is 228655306177. The next prime is 228655306213. The reversal of 228655306198 is 891603556822.

228655306198 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228655306198² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 1864090 + ... + 1982962.

It is an arithmetic number, because the mean of its divisors is an integer number (23385665961).

Almost surely, 2^228655306198 is an apocalyptic number.

228655306198 is a deficient number, since it is larger than the sum of its proper divisors (145515349178).

228655306198 is a wasteful number, since it uses less digits than its factorization.

228655306198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206319.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 228655306198 in words is "two hundred twenty-eight billion, six hundred fifty-five million, three hundred six thousand, one hundred ninety-eight".