225442226 has 8 divisors (see below), whose sum is σ = 339047424. Its totient is φ = 112426420.

The previous prime is 225442207. The next prime is 225442229. The reversal of 225442226 is 622244522.

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

It is not an unprimeable number, because it can be changed into a prime (225442229) 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 3 ways as a sum of consecutive naturals, for example, 146390 + ... + 147921.

It is an arithmetic number, because the mean of its divisors is an integer number (42380928).

Almost surely, 2^225442226 is an apocalyptic number.

225442226 is a deficient number, since it is larger than the sum of its proper divisors (113605198).

225442226 is a wasteful number, since it uses less digits than its factorization.

225442226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294696.

The product of its digits is 15360, while the sum is 29.

The square root of 225442226 is about 15014.7336306709. The cubic root of 225442226 is about 608.6184140196.

Adding to 225442226 its reverse (622244522), we get a palindrome (847686748).

The spelling of 225442226 in words is "two hundred twenty-five million, four hundred forty-two thousand, two hundred twenty-six".