225122307 has 8 divisors (see below), whose sum is σ = 301232400. Its totient is φ = 149546880.

The previous prime is 225122299. The next prime is 225122333. The reversal of 225122307 is 703221522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225122307 - 2³ = 225122299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225122377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132682 + ... + 134367.

It is an arithmetic number, because the mean of its divisors is an integer number (37654050).

Almost surely, 2^225122307 is an apocalyptic number.

225122307 is a deficient number, since it is larger than the sum of its proper divisors (76110093).

225122307 is a wasteful number, since it uses less digits than its factorization.

225122307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267333.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 225122307 is about 15004.0763461134. The cubic root of 225122307 is about 608.3303863913.

Adding to 225122307 its reverse (703221522), we get a palindrome (928343829).

The spelling of 225122307 in words is "two hundred twenty-five million, one hundred twenty-two thousand, three hundred seven".