422664925 has 12 divisors (see below), whose sum is σ = 524430720. Its totient is φ = 337921520.

The previous prime is 422664923. The next prime is 422664953. The reversal of 422664925 is 529466224.

It is not a de Polignac number, because 422664925 - 2¹ = 422664923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422664923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45204 + ... + 53746.

It is an arithmetic number, because the mean of its divisors is an integer number (43702560).

Almost surely, 2^422664925 is an apocalyptic number.

It is an amenable number.

422664925 is a deficient number, since it is larger than the sum of its proper divisors (101765795).

422664925 is a wasteful number, since it uses less digits than its factorization.

422664925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532 (or 10527 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 422664925 is about 20558.8162353770. The cubic root of 422664925 is about 750.4678118458.

The spelling of 422664925 in words is "four hundred twenty-two million, six hundred sixty-four thousand, nine hundred twenty-five".