228895771468 has 48 divisors (see below), whose sum is σ = 504471573760. Its totient is φ = 88446302784.

The previous prime is 228895771421. The next prime is 228895771471. The reversal of 228895771468 is 864177598822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7296378 + ... + 7327681.

Almost surely, 2^228895771468 is an apocalyptic number.

228895771468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228895771468 is an abundant number, since it is smaller than the sum of its proper divisors (275575802292).

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

228895771468 is a wasteful number, since it uses less digits than its factorization.

228895771468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14624126 (or 14624124 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 67.

The spelling of 228895771468 in words is "two hundred twenty-eight billion, eight hundred ninety-five million, seven hundred seventy-one thousand, four hundred sixty-eight".