422215530 has 64 divisors (see below), whose sum is σ = 1163635200. Its totient is φ = 96966720.

The previous prime is 422215529. The next prime is 422215559. The reversal of 422215530 is 35512224.

It is a self number, because there is not a number n which added to its sum of digits gives 422215530.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 27400 + ... + 39939.

It is an arithmetic number, because the mean of its divisors is an integer number (18181800).

Almost surely, 2^422215530 is an apocalyptic number.

422215530 is an abundant number, since it is smaller than the sum of its proper divisors (741419670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422215530 is a wasteful number, since it uses less digits than its factorization.

422215530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67379.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 422215530 is about 20547.8838326481. The cubic root of 422215530 is about 750.2017412846.

Adding to 422215530 its reverse (35512224), we get a palindrome (457727754).

The spelling of 422215530 in words is "four hundred twenty-two million, two hundred fifteen thousand, five hundred thirty".