228670325 has 36 divisors (see below), whose sum is σ = 315216804. Its totient is φ = 163488000.

The previous prime is 228670279. The next prime is 228670367. The reversal of 228670325 is 523076822.

It can be written as a sum of positive squares in 6 ways, for example, as 77035729 + 151634596 = 8777^2 + 12314^2 .

It is not a de Polignac number, because 228670325 - 2⁸ = 228670069 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1745510 + ... + 1745640.

Almost surely, 2^228670325 is an apocalyptic number.

228670325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

228670325 is a deficient number, since it is larger than the sum of its proper divisors (86546479).

228670325 is a wasteful number, since it uses less digits than its factorization.

228670325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 228670325 is about 15121.8492586059. The cubic root of 228670325 is about 611.5095863680.

The spelling of 228670325 in words is "two hundred twenty-eight million, six hundred seventy thousand, three hundred twenty-five".