228725234 has 8 divisors (see below), whose sum is σ = 348712428. Its totient is φ = 112487760.

The previous prime is 228725219. The next prime is 228725251. The reversal of 228725234 is 432527822.

228725234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 167055625 + 61669609 = 12925^2 + 7853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×228725234³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228725194 and 228725203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937277 + ... + 937520.

Almost surely, 2^228725234 is an apocalyptic number.

228725234 is a deficient number, since it is larger than the sum of its proper divisors (119987194).

228725234 is a wasteful number, since it uses less digits than its factorization.

228725234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874860.

The product of its digits is 53760, while the sum is 35.

The square root of 228725234 is about 15123.6647013877. The cubic root of 228725234 is about 611.5585282856.

The spelling of 228725234 in words is "two hundred twenty-eight million, seven hundred twenty-five thousand, two hundred thirty-four".