228914315772 has 24 divisors (see below), whose sum is σ = 534186576000. Its totient is φ = 76297175856.

The previous prime is 228914315771. The next prime is 228914315783. The reversal of 228914315772 is 277513419822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228914315771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823272 + ... + 1065647.

It is an arithmetic number, because the mean of its divisors is an integer number (22257774000).

Almost surely, 2^228914315772 is an apocalyptic number.

It is an amenable number.

228914315772 is an abundant number, since it is smaller than the sum of its proper divisors (305272260228).

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

228914315772 is a wasteful number, since it uses less digits than its factorization.

228914315772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899025 (or 1899023 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 51.

The spelling of 228914315772 in words is "two hundred twenty-eight billion, nine hundred fourteen million, three hundred fifteen thousand, seven hundred seventy-two".