225222412145 has 24 divisors (see below), whose sum is σ = 293776954944. Its totient is φ = 165635479296.

The previous prime is 225222412099. The next prime is 225222412157. The reversal of 225222412145 is 541214222522.

It is not a de Polignac number, because 225222412145 - 2⁶ = 225222412081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1750229 + ... + 1874498.

It is an arithmetic number, because the mean of its divisors is an integer number (12240706456).

Almost surely, 2^225222412145 is an apocalyptic number.

It is an amenable number.

225222412145 is a deficient number, since it is larger than the sum of its proper divisors (68554542799).

225222412145 is a wasteful number, since it uses less digits than its factorization.

225222412145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624809 (or 3624792 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

Adding to 225222412145 its reverse (541214222522), we get a palindrome (766436634667).

The spelling of 225222412145 in words is "two hundred twenty-five billion, two hundred twenty-two million, four hundred twelve thousand, one hundred forty-five".