228364725 has 12 divisors (see below), whose sum is σ = 377563136. Its totient is φ = 121794480.

The previous prime is 228364691. The next prime is 228364729. The reversal of 228364725 is 527463822.

It is not a de Polignac number, because 228364725 - 2⁷ = 228364597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228364729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1522357 + ... + 1522506.

Almost surely, 2^228364725 is an apocalyptic number.

228364725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228364725 is a deficient number, since it is larger than the sum of its proper divisors (149198411).

228364725 is a wasteful number, since it uses less digits than its factorization.

228364725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044876 (or 3044871 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 228364725 is about 15111.7412960916. The cubic root of 228364725 is about 611.2370533514.

The spelling of 228364725 in words is "two hundred twenty-eight million, three hundred sixty-four thousand, seven hundred twenty-five".