228806780724 has 48 divisors (see below), whose sum is σ = 593239953600. Its totient is φ = 76264145568.

The previous prime is 228806780707. The next prime is 228806780731. The reversal of 228806780724 is 427087608822.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 1945074 + ... + 2059350.

It is an arithmetic number, because the mean of its divisors is an integer number (12359165700).

Almost surely, 2^228806780724 is an apocalyptic number.

It is an amenable number.

228806780724 is an abundant number, since it is smaller than the sum of its proper divisors (364433172876).

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

228806780724 is a wasteful number, since it uses less digits than its factorization.

228806780724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132829 (or 132821 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 54.

The spelling of 228806780724 in words is "two hundred twenty-eight billion, eight hundred six million, seven hundred eighty thousand, seven hundred twenty-four".