225814439 has 4 divisors (see below), whose sum is σ = 226984656. Its totient is φ = 224644224.

The previous prime is 225814427. The next prime is 225814481. The reversal of 225814439 is 934418522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225814439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225814139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584819 + ... + 585204.

It is an arithmetic number, because the mean of its divisors is an integer number (56746164).

Almost surely, 2^225814439 is an apocalyptic number.

225814439 is a deficient number, since it is larger than the sum of its proper divisors (1170217).

225814439 is a wasteful number, since it uses less digits than its factorization.

225814439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170216.

The product of its digits is 69120, while the sum is 38.

The square root of 225814439 is about 15027.1234439596. The cubic root of 225814439 is about 608.9531799464.

The spelling of 225814439 in words is "two hundred twenty-five million, eight hundred fourteen thousand, four hundred thirty-nine".