225987706 has 48 divisors (see below), whose sum is σ = 413026560. Its totient is φ = 92352960.

The previous prime is 225987701. The next prime is 225987709. The reversal of 225987706 is 607789522.

It is not an unprimeable number, because it can be changed into a prime (225987701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221265 + ... + 222283.

It is an arithmetic number, because the mean of its divisors is an integer number (8604720).

Almost surely, 2^225987706 is an apocalyptic number.

225987706 is a deficient number, since it is larger than the sum of its proper divisors (187038854).

225987706 is a wasteful number, since it uses less digits than its factorization.

225987706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1132 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 225987706 is about 15032.8874804543. The cubic root of 225987706 is about 609.1088896762.

The spelling of 225987706 in words is "two hundred twenty-five million, nine hundred eighty-seven thousand, seven hundred six".