225330686 has 16 divisors (see below), whose sum is σ = 389827680. Its totient is φ = 95683680.

The previous prime is 225330653. The next prime is 225330689. The reversal of 225330686 is 686033522.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225330689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72305 + ... + 75356.

It is an arithmetic number, because the mean of its divisors is an integer number (24364230).

Almost surely, 2^225330686 is an apocalyptic number.

225330686 is a deficient number, since it is larger than the sum of its proper divisors (164496994).

225330686 is a wasteful number, since it uses less digits than its factorization.

225330686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147779.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 225330686 is about 15011.0188195205. The cubic root of 225330686 is about 608.5180239288.

The spelling of 225330686 in words is "two hundred twenty-five million, three hundred thirty thousand, six hundred eighty-six".