22303422421 has 16 divisors (see below), whose sum is σ = 25549862400. Its totient is φ = 19072101888.

The previous prime is 22303422397. The next prime is 22303422443. The reversal of 22303422421 is 12422430322.

It is not a de Polignac number, because 22303422421 - 2⁵ = 22303422389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303422461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8600101 + ... + 8602693.

It is an arithmetic number, because the mean of its divisors is an integer number (1596866400).

Almost surely, 2^22303422421 is an apocalyptic number.

It is an amenable number.

22303422421 is a deficient number, since it is larger than the sum of its proper divisors (3246439979).

22303422421 is a wasteful number, since it uses less digits than its factorization.

22303422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22303422421 its reverse (12422430322), we get a palindrome (34725852743).

The spelling of 22303422421 in words is "twenty-two billion, three hundred three million, four hundred twenty-two thousand, four hundred twenty-one".