225112434 has 16 divisors (see below), whose sum is σ = 455650272. Its totient is φ = 74133248.

The previous prime is 225112379. The next prime is 225112441. The reversal of 225112434 is 434211522.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225519 + ... + 226514.

It is an arithmetic number, because the mean of its divisors is an integer number (28478142).

Almost surely, 2^225112434 is an apocalyptic number.

225112434 is an abundant number, since it is smaller than the sum of its proper divisors (230537838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225112434 is a wasteful number, since it uses less digits than its factorization.

225112434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452121.

The product of its digits is 1920, while the sum is 24.

The square root of 225112434 is about 15003.7473319168. The cubic root of 225112434 is about 608.3214932497.

Adding to 225112434 its reverse (434211522), we get a palindrome (659323956).

The spelling of 225112434 in words is "two hundred twenty-five million, one hundred twelve thousand, four hundred thirty-four".