225122523407 has 4 divisors (see below), whose sum is σ = 225935240376. Its totient is φ = 224309806440.

The previous prime is 225122523371. The next prime is 225122523427. The reversal of 225122523407 is 704325221522.

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 225122523407 - 2⁶ = 225122523343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225122523427) 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, 406358069 + ... + 406358622.

It is an arithmetic number, because the mean of its divisors is an integer number (56483810094).

Almost surely, 2^225122523407 is an apocalyptic number.

225122523407 is a deficient number, since it is larger than the sum of its proper divisors (812716969).

225122523407 is an equidigital number, since it uses as much as digits as its factorization.

225122523407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812716968.

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 225122523407 its reverse (704325221522), we get a palindrome (929447744929).

The spelling of 225122523407 in words is "two hundred twenty-five billion, one hundred twenty-two million, five hundred twenty-three thousand, four hundred seven".