422515225 has 24 divisors (see below), whose sum is σ = 581257440. Its totient is φ = 302064000.

The previous prime is 422515207. The next prime is 422515243. The reversal of 422515225 is 522515224.

It is an interprime number because it is at equal distance from previous prime (422515207) and next prime (422515243).

It is not a de Polignac number, because 422515225 - 2¹⁷ = 422384153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422515193 and 422515202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3205 + ... + 29245.

It is an arithmetic number, because the mean of its divisors is an integer number (24219060).

Almost surely, 2^422515225 is an apocalyptic number.

It is an amenable number.

422515225 is a deficient number, since it is larger than the sum of its proper divisors (158742215).

422515225 is a wasteful number, since it uses less digits than its factorization.

422515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26121 (or 26116 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 422515225 is about 20555.1751391225. The cubic root of 422515225 is about 750.3792008359.

Subtracting 422515225 from its reverse (522515224), we obtain a palindrome (99999999).

It can be divided in two parts, 422515 and 225, that added together give a triangular number (422740 = T₉₁₉).

The spelling of 422515225 in words is "four hundred twenty-two million, five hundred fifteen thousand, two hundred twenty-five".