225226123 has 2 divisors, whose sum is σ = 225226124. Its totient is φ = 225226122.

The previous prime is 225226117. The next prime is 225226193. The reversal of 225226123 is 321622522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225226123 - 2¹⁷ = 225095051 is a prime.

It is a super-2 number, since 2×225226123² = 101453612963222258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225226193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112613061 + 112613062.

It is an arithmetic number, because the mean of its divisors is an integer number (112613062).

Almost surely, 2^225226123 is an apocalyptic number.

225226123 is a deficient number, since it is larger than the sum of its proper divisors (1).

225226123 is an equidigital number, since it uses as much as digits as its factorization.

225226123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 225226123 is about 15007.5355405210. The cubic root of 225226123 is about 608.4238833038.

Adding to 225226123 its reverse (321622522), we get a palindrome (546848645).

The spelling of 225226123 in words is "two hundred twenty-five million, two hundred twenty-six thousand, one hundred twenty-three".