228899247478 has 48 divisors (see below), whose sum is σ = 384742785168. Its totient is φ = 102023064000.

The previous prime is 228899247461. The next prime is 228899247481. The reversal of 228899247478 is 874742998822.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28251628 + ... + 28259728.

It is an arithmetic number, because the mean of its divisors is an integer number (8015474691).

Almost surely, 2^228899247478 is an apocalyptic number.

228899247478 is a deficient number, since it is larger than the sum of its proper divisors (155843537690).

228899247478 is a wasteful number, since it uses less digits than its factorization.

228899247478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381 (or 10370 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 70.

The spelling of 228899247478 in words is "two hundred twenty-eight billion, eight hundred ninety-nine million, two hundred forty-seven thousand, four hundred seventy-eight".