225123230 has 16 divisors (see below), whose sum is σ = 419195520. Its totient is φ = 86944032.

The previous prime is 225123221. The next prime is 225123263. The reversal of 225123230 is 32321522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387854 + ... + 388433.

It is an arithmetic number, because the mean of its divisors is an integer number (26199720).

Almost surely, 2^225123230 is an apocalyptic number.

225123230 is a deficient number, since it is larger than the sum of its proper divisors (194072290).

225123230 is a wasteful number, since it uses less digits than its factorization.

225123230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776323.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 225123230 is about 15004.1071043898. The cubic root of 225123230 is about 608.3312177738.

Adding to 225123230 its reverse (32321522), we get a palindrome (257444752).

The spelling of 225123230 in words is "two hundred twenty-five million, one hundred twenty-three thousand, two hundred thirty".