22003021422 has 24 divisors (see below), whose sum is σ = 47755858176. Its totient is φ = 7321625856.

The previous prime is 22003021379. The next prime is 22003021423. The reversal of 22003021422 is 22412030022.

22003021422 is a `hidden beast` number, since 220 + 0 + 3 + 0 + 21 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22003021395 and 22003021404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048878 + ... + 1069649.

It is an arithmetic number, because the mean of its divisors is an integer number (1989827424).

Almost surely, 2^22003021422 is an apocalyptic number.

22003021422 is an abundant number, since it is smaller than the sum of its proper divisors (25752836754).

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

22003021422 is a wasteful number, since it uses less digits than its factorization.

22003021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119112 (or 2119109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22003021422 its reverse (22412030022), we get a palindrome (44415051444).

The spelling of 22003021422 in words is "twenty-two billion, three million, twenty-one thousand, four hundred twenty-two".