225411146 has 4 divisors (see below), whose sum is σ = 338116722. Its totient is φ = 112705572.

The previous prime is 225411127. The next prime is 225411149. The reversal of 225411146 is 641114522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 225150025 + 261121 = 15005^2 + 511^2 .

It is not an unprimeable number, because it can be changed into a prime (225411149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56352785 + ... + 56352788.

Almost surely, 2^225411146 is an apocalyptic number.

225411146 is a deficient number, since it is larger than the sum of its proper divisors (112705576).

225411146 is a wasteful number, since it uses less digits than its factorization.

225411146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112705575.

The product of its digits is 1920, while the sum is 26.

The square root of 225411146 is about 15013.6986116013. The cubic root of 225411146 is about 608.5904442082.

Adding to 225411146 its reverse (641114522), we get a palindrome (866525668).

The spelling of 225411146 in words is "two hundred twenty-five million, four hundred eleven thousand, one hundred forty-six".