225122523207 has 16 divisors (see below), whose sum is σ = 316138786560. Its totient is φ = 142102838592.

The previous prime is 225122523191. The next prime is 225122523221. The reversal of 225122523207 is 702325221522.

It is a happy number.

It is not a de Polignac number, because 225122523207 - 2⁴ = 225122523191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225122523257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005918 + ... + 1209179.

It is an arithmetic number, because the mean of its divisors is an integer number (19758674160).

Almost surely, 2^225122523207 is an apocalyptic number.

225122523207 is a deficient number, since it is larger than the sum of its proper divisors (91016263353).

225122523207 is a wasteful number, since it uses less digits than its factorization.

225122523207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216902.

The product of its (nonzero) digits is 33600, while the sum is 33.

Adding to 225122523207 its reverse (702325221522), we get a palindrome (927447744729).

The spelling of 225122523207 in words is "two hundred twenty-five billion, one hundred twenty-two million, five hundred twenty-three thousand, two hundred seven".