422502213 has 8 divisors (see below), whose sum is σ = 643812928. Its totient is φ = 241429824.

The previous prime is 422502211. The next prime is 422502257. The reversal of 422502213 is 312205224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422502213 - 2¹ = 422502211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 20119153 = 422502213 / (4 + 2 + 2 + 5 + 0 + 2 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422502213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422502211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10059556 + ... + 10059597.

It is an arithmetic number, because the mean of its divisors is an integer number (80476616).

Almost surely, 2^422502213 is an apocalyptic number.

It is an amenable number.

422502213 is a deficient number, since it is larger than the sum of its proper divisors (221310715).

422502213 is a wasteful number, since it uses less digits than its factorization.

422502213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20119163.

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

The square root of 422502213 is about 20554.8586227198. The cubic root of 422502213 is about 750.3714977333.

Adding to 422502213 its reverse (312205224), we get a palindrome (734707437).

The spelling of 422502213 in words is "four hundred twenty-two million, five hundred two thousand, two hundred thirteen".