228724803 has 10 divisors (see below), whose sum is σ = 341675444. Its totient is φ = 152483148.

The previous prime is 228724799. The next prime is 228724897. The reversal of 228724803 is 308427822.

It is not a de Polignac number, because 228724803 - 2² = 228724799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228722803) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1411801 + ... + 1411962.

Almost surely, 2^228724803 is an apocalyptic number.

228724803 is a deficient number, since it is larger than the sum of its proper divisors (112950641).

228724803 is an equidigital number, since it uses as much as digits as its factorization.

228724803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2823775 (or 2823766 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 228724803 is about 15123.6504521891. The cubic root of 228724803 is about 611.5581441539.

The spelling of 228724803 in words is "two hundred twenty-eight million, seven hundred twenty-four thousand, eight hundred three".