2221530422 has 16 divisors (see below), whose sum is σ = 3411244800. Its totient is φ = 1084698600.

The previous prime is 2221530397. The next prime is 2221530427. The reversal of 2221530422 is 2240351222.

2221530422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221530427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44522 + ... + 80157.

It is an arithmetic number, because the mean of its divisors is an integer number (213202800).

Almost surely, 2^2221530422 is an apocalyptic number.

2221530422 is a deficient number, since it is larger than the sum of its proper divisors (1189714378).

2221530422 is a wasteful number, since it uses less digits than its factorization.

2221530422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124891.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2221530422 is about 47133.1138585178. The cubic root of 2221530422 is about 1304.8204510199.

Adding to 2221530422 its reverse (2240351222), we get a palindrome (4461881644).

The spelling of 2221530422 in words is "two billion, two hundred twenty-one million, five hundred thirty thousand, four hundred twenty-two".