422220315 has 64 divisors (see below), whose sum is σ = 780337152. Its totient is φ = 192931200.

The previous prime is 422220287. The next prime is 422220373. The reversal of 422220315 is 513022224.

It is not a de Polignac number, because 422220315 - 2⁸ = 422220059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422220291 and 422220300.

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 63 ways as a sum of consecutive naturals, for example, 268662 + ... + 270228.

It is an arithmetic number, because the mean of its divisors is an integer number (12192768).

Almost surely, 2^422220315 is an apocalyptic number.

422220315 is a deficient number, since it is larger than the sum of its proper divisors (358116837).

422220315 is a wasteful number, since it uses less digits than its factorization.

422220315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 422220315 is about 20548.0002676660. Note that the first 3 decimals coincide. The cubic root of 422220315 is about 750.2045753046.

Adding to 422220315 its reverse (513022224), we get a palindrome (935242539).

The spelling of 422220315 in words is "four hundred twenty-two million, two hundred twenty thousand, three hundred fifteen".