422363213225 has 6 divisors (see below), whose sum is σ = 523730384430. Its totient is φ = 337890570560.

The previous prime is 422363213213. The next prime is 422363213227. The reversal of 422363213225 is 522312363224.

It can be written as a sum of positive squares in 3 ways, for example, as 128353093696 + 294010119529 = 358264^2 + 542227^2 .

It is not a de Polignac number, because 422363213225 - 2⁸ = 422363212969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (422363213227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8447264240 + ... + 8447264289.

It is an arithmetic number, because the mean of its divisors is an integer number (87288397405).

Almost surely, 2^422363213225 is an apocalyptic number.

It is an amenable number.

422363213225 is a deficient number, since it is larger than the sum of its proper divisors (101367171205).

422363213225 is a wasteful number, since it uses less digits than its factorization.

422363213225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16894528539 (or 16894528534 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

Adding to 422363213225 its reverse (522312363224), we get a palindrome (944675576449).

The spelling of 422363213225 in words is "four hundred twenty-two billion, three hundred sixty-three million, two hundred thirteen thousand, two hundred twenty-five".