225443422 has 4 divisors (see below), whose sum is σ = 338165136. Its totient is φ = 112721710.

The previous prime is 225443399. The next prime is 225443429. The reversal of 225443422 is 224344522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225443429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56360854 + ... + 56360857.

It is an arithmetic number, because the mean of its divisors is an integer number (84541284).

Almost surely, 2^225443422 is an apocalyptic number.

225443422 is a deficient number, since it is larger than the sum of its proper divisors (112721714).

225443422 is a wasteful number, since it uses less digits than its factorization.

225443422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112721713.

The product of its digits is 15360, while the sum is 28.

The square root of 225443422 is about 15014.7734581645. The cubic root of 225443422 is about 608.6194902840.

Adding to 225443422 its reverse (224344522), we get a palindrome (449787944).

The spelling of 225443422 in words is "two hundred twenty-five million, four hundred forty-three thousand, four hundred twenty-two".