422225065 has 32 divisors (see below), whose sum is σ = 537541920. Its totient is φ = 317915136.

The previous prime is 422225057. The next prime is 422225113. The reversal of 422225065 is 560522224.

It can be written as a sum of positive squares in 16 ways, for example, as 213393664 + 208831401 = 14608^2 + 14451^2 .

It is a cyclic number.

It is not a de Polignac number, because 422225065 - 2³ = 422225057 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 1195929 + ... + 1196281.

It is an arithmetic number, because the mean of its divisors is an integer number (16798185).

Almost surely, 2^422225065 is an apocalyptic number.

It is an amenable number.

422225065 is a deficient number, since it is larger than the sum of its proper divisors (115316855).

422225065 is a wasteful number, since it uses less digits than its factorization.

422225065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 422225065 is about 20548.1158503645. The cubic root of 422225065 is about 750.2073885739.

Adding to 422225065 its reverse (560522224), we get a palindrome (982747289).

The spelling of 422225065 in words is "four hundred twenty-two million, two hundred twenty-five thousand, sixty-five".