422500254225 has 24 divisors (see below), whose sum is σ = 798324290880. Its totient is φ = 193142973120.

The previous prime is 422500254223. The next prime is 422500254251. The reversal of 422500254225 is 522452005224.

It is not a de Polignac number, because 422500254225 - 2¹ = 422500254223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422500254223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 402380670 + ... + 402381719.

It is an arithmetic number, because the mean of its divisors is an integer number (33263512120).

Almost surely, 2^422500254225 is an apocalyptic number.

It is an amenable number.

422500254225 is a deficient number, since it is larger than the sum of its proper divisors (375824036655).

422500254225 is a wasteful number, since it uses less digits than its factorization.

422500254225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804762409 (or 804762404 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

Adding to 422500254225 its reverse (522452005224), we get a palindrome (944952259449).

The spelling of 422500254225 in words is "four hundred twenty-two billion, five hundred million, two hundred fifty-four thousand, two hundred twenty-five".