422257225 has 24 divisors (see below), whose sum is σ = 565991552. Its totient is φ = 310651200.

The previous prime is 422257223. The next prime is 422257229. The reversal of 422257225 is 522752224.

It is not a de Polignac number, because 422257225 - 2¹ = 422257223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422257223) 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, 89680 + ... + 94270.

Almost surely, 2^422257225 is an apocalyptic number.

It is an amenable number.

422257225 is a deficient number, since it is larger than the sum of its proper divisors (143734327).

422257225 is a wasteful number, since it uses less digits than its factorization.

422257225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897 (or 4892 counting only the distinct ones).

The product of its digits is 22400, while the sum is 31.

The square root of 422257225 is about 20548.8983889648. The cubic root of 422257225 is about 750.2264353329.

The spelling of 422257225 in words is "four hundred twenty-two million, two hundred fifty-seven thousand, two hundred twenty-five".