225708836 has 12 divisors (see below), whose sum is σ = 395393628. Its totient is φ = 112739232.

The previous prime is 225708823. The next prime is 225708851. The reversal of 225708836 is 638807522.

It can be written as a sum of positive squares in 2 ways, for example, as 128686336 + 97022500 = 11344^2 + 9850^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225708793 and 225708802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24311 + ... + 32286.

It is an arithmetic number, because the mean of its divisors is an integer number (32949469).

Almost surely, 2^225708836 is an apocalyptic number.

It is an amenable number.

225708836 is a deficient number, since it is larger than the sum of its proper divisors (169684792).

225708836 is a wasteful number, since it uses less digits than its factorization.

225708836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57598 (or 57596 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 225708836 is about 15023.6092867194. The cubic root of 225708836 is about 608.8582387046.

The spelling of 225708836 in words is "two hundred twenty-five million, seven hundred eight thousand, eight hundred thirty-six".