225222422 has 8 divisors (see below), whose sum is σ = 337913856. Its totient is φ = 112584472.

The previous prime is 225222407. The next prime is 225222451. The reversal of 225222422 is 224222522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 21225.

It is an arithmetic number, because the mean of its divisors is an integer number (42239232).

Almost surely, 2^225222422 is an apocalyptic number.

225222422 is a deficient number, since it is larger than the sum of its proper divisors (112691434).

225222422 is a wasteful number, since it uses less digits than its factorization.

225222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26742.

The product of its digits is 2560, while the sum is 23.

The square root of 225222422 is about 15007.4122352923. The cubic root of 225222422 is about 608.4205506692.

Adding to 225222422 its reverse (224222522), we get a palindrome (449444944).

The spelling of 225222422 in words is "two hundred twenty-five million, two hundred twenty-two thousand, four hundred twenty-two".