228195662004 has 18 divisors (see below), whose sum is σ = 576827923490. Its totient is φ = 76065220656.

The previous prime is 228195661979. The next prime is 228195662017. The reversal of 228195662004 is 400266591822.

228195662004 is a `hidden beast` number, since 2 + 2 + 8 + 19 + 5 + 6 + 620 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 211000585104 + 17195076900 = 459348^2 + 131130^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3169384159 + ... + 3169384230.

Almost surely, 2^228195662004 is an apocalyptic number.

It is an amenable number.

228195662004 is an abundant number, since it is smaller than the sum of its proper divisors (348632261486).

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

228195662004 is a wasteful number, since it uses less digits than its factorization.

228195662004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338768399 (or 6338768394 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 228195662004 in words is "two hundred twenty-eight billion, one hundred ninety-five million, six hundred sixty-two thousand, four".