422244245 has 4 divisors (see below), whose sum is σ = 506693100. Its totient is φ = 337795392.

The previous prime is 422244233. The next prime is 422244247. The reversal of 422244245 is 542442224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195832036 + 226412209 = 13994^2 + 15047^2 .

It is a cyclic number.

It is not a de Polignac number, because 422244245 - 2⁸ = 422243989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422244247) 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, 42224420 + ... + 42224429.

It is an arithmetic number, because the mean of its divisors is an integer number (126673275).

Almost surely, 2^422244245 is an apocalyptic number.

It is an amenable number.

422244245 is a deficient number, since it is larger than the sum of its proper divisors (84448855).

422244245 is an equidigital number, since it uses as much as digits as its factorization.

422244245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84448854.

The product of its digits is 20480, while the sum is 29.

The square root of 422244245 is about 20548.5825545219. The cubic root of 422244245 is about 750.2187480447.

Adding to 422244245 its reverse (542442224), we get a palindrome (964686469).

The spelling of 422244245 in words is "four hundred twenty-two million, two hundred forty-four thousand, two hundred forty-five".