225112137 has 8 divisors (see below), whose sum is σ = 300325536. Its totient is φ = 149986752.

The previous prime is 225112127. The next prime is 225112157. The reversal of 225112137 is 731211522.

225112137 is digitally balanced in base 2, 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 not a de Polignac number, because 225112137 - 2⁶ = 225112073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225112127) 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, 15783 + ... + 26444.

It is an arithmetic number, because the mean of its divisors is an integer number (37540692).

Almost surely, 2^225112137 is an apocalyptic number.

It is an amenable number.

225112137 is a deficient number, since it is larger than the sum of its proper divisors (75213399).

225112137 is a wasteful number, since it uses less digits than its factorization.

225112137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44007.

The product of its digits is 840, while the sum is 24.

The square root of 225112137 is about 15003.7374343861. The cubic root of 225112137 is about 608.3212257218.

Adding to 225112137 its reverse (731211522), we get a palindrome (956323659).

The spelling of 225112137 in words is "two hundred twenty-five million, one hundred twelve thousand, one hundred thirty-seven".