225223142 has 8 divisors (see below), whose sum is σ = 337944096. Its totient is φ = 112575112.

The previous prime is 225223099. The next prime is 225223171. The reversal of 225223142 is 241322522.

225223142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 9713 + ... + 23340.

It is an arithmetic number, because the mean of its divisors is an integer number (42243012).

Almost surely, 2^225223142 is an apocalyptic number.

225223142 is a deficient number, since it is larger than the sum of its proper divisors (112720954).

225223142 is a wasteful number, since it uses less digits than its factorization.

225223142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36462.

The product of its digits is 1920, while the sum is 23.

The square root of 225223142 is about 15007.4362234194. The cubic root of 225223142 is about 608.4211990095.

Adding to 225223142 its reverse (241322522), we get a palindrome (466545664).

The spelling of 225223142 in words is "two hundred twenty-five million, two hundred twenty-three thousand, one hundred forty-two".