422403304225 has 24 divisors (see below), whose sum is σ = 598991662080. Its totient is φ = 289461285120.

The previous prime is 422403304177. The next prime is 422403304259. The reversal of 422403304225 is 522403304224.

It is not a de Polignac number, because 422403304225 - 2⁷ = 422403304097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505345 + ... + 1048894.

It is an arithmetic number, because the mean of its divisors is an integer number (24957985920).

Almost surely, 2^422403304225 is an apocalyptic number.

It is an amenable number.

422403304225 is a deficient number, since it is larger than the sum of its proper divisors (176588357855).

422403304225 is a wasteful number, since it uses less digits than its factorization.

422403304225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555809 (or 1555804 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 422403304225 its reverse (522403304224), we get a palindrome (944806608449).

Subtracting 422403304225 from its reverse (522403304224), we obtain a palindrome (99999999999).

The spelling of 422403304225 in words is "four hundred twenty-two billion, four hundred three million, three hundred four thousand, two hundred twenty-five".