422564025 has 24 divisors (see below), whose sum is σ = 752382400. Its totient is φ = 208031040.

The previous prime is 422563993. The next prime is 422564029. The reversal of 422564025 is 520465224.

It is a happy number.

It is not a de Polignac number, because 422564025 - 2⁵ = 422563993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422563983 and 422564001.

It is not an unprimeable number, because it can be changed into a prime (422564029) 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, 215725 + ... + 217674.

Almost surely, 2^422564025 is an apocalyptic number.

It is an amenable number.

422564025 is a deficient number, since it is larger than the sum of its proper divisors (329818375).

422564025 is a wasteful number, since it uses less digits than its factorization.

422564025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433425 (or 433420 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 422564025 is about 20556.3621538442. The cubic root of 422564025 is about 750.4080890220.

The spelling of 422564025 in words is "four hundred twenty-two million, five hundred sixty-four thousand, twenty-five".