228481724 has 24 divisors (see below), whose sum is σ = 420016128. Its totient is φ = 108543600.

The previous prime is 228481723. The next prime is 228481741. The reversal of 228481724 is 427184822.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228481723) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5669 + ... + 22115.

It is an arithmetic number, because the mean of its divisors is an integer number (17500672).

Almost surely, 2^228481724 is an apocalyptic number.

It is an amenable number.

228481724 is a deficient number, since it is larger than the sum of its proper divisors (191534404).

228481724 is a wasteful number, since it uses less digits than its factorization.

228481724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16625 (or 16623 counting only the distinct ones).

The product of its digits is 57344, while the sum is 38.

The square root of 228481724 is about 15115.6119293927. The cubic root of 228481724 is about 611.3414213595.

The spelling of 228481724 in words is "two hundred twenty-eight million, four hundred eighty-one thousand, seven hundred twenty-four".