245225227 has 4 divisors (see below), whose sum is σ = 264088720. Its totient is φ = 226361736.

The previous prime is 245225219. The next prime is 245225237. The reversal of 245225227 is 722522542.

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 245225227 - 2³ = 245225219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245225207) 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 3 ways as a sum of consecutive naturals, for example, 9431727 + ... + 9431752.

It is an arithmetic number, because the mean of its divisors is an integer number (66022180).

Almost surely, 2^245225227 is an apocalyptic number.

245225227 is a deficient number, since it is larger than the sum of its proper divisors (18863493).

245225227 is a wasteful number, since it uses less digits than its factorization.

245225227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18863492.

The product of its digits is 22400, while the sum is 31.

The square root of 245225227 is about 15659.6688023725. The cubic root of 245225227 is about 625.9241598522.

Adding to 245225227 its reverse (722522542), we get a palindrome (967747769).

The spelling of 245225227 in words is "two hundred forty-five million, two hundred twenty-five thousand, two hundred twenty-seven".