225634423 has 16 divisors (see below), whose sum is σ = 260997120. Its totient is φ = 191068416.

The previous prime is 225634369. The next prime is 225634427. The reversal of 225634423 is 324436522.

It is a de Polignac number, because none of the positive numbers 2^k-225634423 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 (225634427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 313458 + ... + 314176.

It is an arithmetic number, because the mean of its divisors is an integer number (16312320).

Almost surely, 2^225634423 is an apocalyptic number.

225634423 is a deficient number, since it is larger than the sum of its proper divisors (35362697).

225634423 is a wasteful number, since it uses less digits than its factorization.

225634423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its digits is 34560, while the sum is 31.

The square root of 225634423 is about 15021.1325471817. The cubic root of 225634423 is about 608.7913207099.

The spelling of 225634423 in words is "two hundred twenty-five million, six hundred thirty-four thousand, four hundred twenty-three".