225401322 has 16 divisors (see below), whose sum is σ = 450970560. Its totient is φ = 75105792.

The previous prime is 225401321. The next prime is 225401327. The reversal of 225401322 is 223104522.

It is not an unprimeable number, because it can be changed into a prime (225401321) 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, 16554 + ... + 26922.

It is an arithmetic number, because the mean of its divisors is an integer number (28185660).

Almost surely, 2^225401322 is an apocalyptic number.

225401322 is an abundant number, since it is smaller than the sum of its proper divisors (225569238).

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

225401322 is a wasteful number, since it uses less digits than its factorization.

225401322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13997.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 225401322 is about 15013.3714401529. The cubic root of 225401322 is about 608.5816027652.

Adding to 225401322 its reverse (223104522), we get a palindrome (448505844).

The spelling of 225401322 in words is "two hundred twenty-five million, four hundred one thousand, three hundred twenty-two".