225122545211 has 4 divisors (see below), whose sum is σ = 225230313000. Its totient is φ = 225014777424.

The previous prime is 225122545201. The next prime is 225122545213. The reversal of 225122545211 is 112545221522.

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

It is a cyclic number.

It is not a de Polignac number, because 225122545211 - 2²² = 225118350907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225122545213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53880761 + ... + 53884938.

It is an arithmetic number, because the mean of its divisors is an integer number (56307578250).

Almost surely, 2^225122545211 is an apocalyptic number.

225122545211 is a deficient number, since it is larger than the sum of its proper divisors (107767789).

225122545211 is a wasteful number, since it uses less digits than its factorization.

225122545211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107767788.

The product of its digits is 16000, while the sum is 32.

Adding to 225122545211 its reverse (112545221522), we get a palindrome (337667766733).

The spelling of 225122545211 in words is "two hundred twenty-five billion, one hundred twenty-two million, five hundred forty-five thousand, two hundred eleven".