225403422 has 16 divisors (see below), whose sum is σ = 474533760. Its totient is φ = 71179992.

The previous prime is 225403421. The next prime is 225403483. The reversal of 225403422 is 224304522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 225403392 and 225403401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225403421) 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, 988498 + ... + 988725.

It is an arithmetic number, because the mean of its divisors is an integer number (29658360).

Almost surely, 2^225403422 is an apocalyptic number.

225403422 is an abundant number, since it is smaller than the sum of its proper divisors (249130338).

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

225403422 is a wasteful number, since it uses less digits than its factorization.

225403422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977247.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 225403422 is about 15013.4413776456. The cubic root of 225403422 is about 608.5834927532.

Adding to 225403422 its reverse (224304522), we get a palindrome (449707944).

The spelling of 225403422 in words is "two hundred twenty-five million, four hundred three thousand, four hundred twenty-two".