225226422 has 12 divisors (see below), whose sum is σ = 487990620. Its totient is φ = 75075468.

The previous prime is 225226411. The next prime is 225226427. The reversal of 225226422 is 224622522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225226427) 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 5 ways as a sum of consecutive naturals, for example, 6256272 + ... + 6256307.

It is an arithmetic number, because the mean of its divisors is an integer number (40665885).

Almost surely, 2^225226422 is an apocalyptic number.

225226422 is an abundant number, since it is smaller than the sum of its proper divisors (262764198).

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

225226422 is a wasteful number, since it uses less digits than its factorization.

225226422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12512587 (or 12512584 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 225226422 is about 15007.5455021799. The cubic root of 225226422 is about 608.4241525424.

Adding to 225226422 its reverse (224622522), we get a palindrome (449848944).

The spelling of 225226422 in words is "two hundred twenty-five million, two hundred twenty-six thousand, four hundred twenty-two".