225441222 has 16 divisors (see below), whose sum is σ = 463068912. Its totient is φ = 73116000.

The previous prime is 225441221. The next prime is 225441241. The reversal of 225441222 is 222144522.

It is a junction number, because it is equal to n+sod(n) for n = 225441192 and 225441201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225441221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507529 + ... + 507972.

It is an arithmetic number, because the mean of its divisors is an integer number (28941807).

Almost surely, 2^225441222 is an apocalyptic number.

225441222 is an abundant number, since it is smaller than the sum of its proper divisors (237627690).

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

225441222 is a wasteful number, since it uses less digits than its factorization.

225441222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015543.

The product of its digits is 2560, while the sum is 24.

The square root of 225441222 is about 15014.7001968071. The cubic root of 225441222 is about 608.6175105305.

Adding to 225441222 its reverse (222144522), we get a palindrome (447585744).

The spelling of 225441222 in words is "two hundred twenty-five million, four hundred forty-one thousand, two hundred twenty-two".