225839910 has 32 divisors (see below), whose sum is σ = 544358880. Its totient is φ = 59963648.

The previous prime is 225839857. The next prime is 225839927. The reversal of 225839910 is 19938522.

225839910 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9165 + ... + 23144.

It is an arithmetic number, because the mean of its divisors is an integer number (17011215).

Almost surely, 2^225839910 is an apocalyptic number.

225839910 is an abundant number, since it is smaller than the sum of its proper divisors (318518970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225839910 is a wasteful number, since it uses less digits than its factorization.

225839910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32552.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 225839910 is about 15027.9709209194. The cubic root of 225839910 is about 608.9760749443.

The spelling of 225839910 in words is "two hundred twenty-five million, eight hundred thirty-nine thousand, nine hundred ten".