22182040022 has 4 divisors (see below), whose sum is σ = 33273060036. Its totient is φ = 11091020010.

The previous prime is 22182040019. The next prime is 22182040031. The reversal of 22182040022 is 22004028122.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22182040022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545510004 + ... + 5545510007.

It is an arithmetic number, because the mean of its divisors is an integer number (8318265009).

Almost surely, 2^22182040022 is an apocalyptic number.

22182040022 is a deficient number, since it is larger than the sum of its proper divisors (11091020014).

22182040022 is a wasteful number, since it uses less digits than its factorization.

22182040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091020013.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22182040022 its reverse (22004028122), we get a palindrome (44186068144).

The spelling of 22182040022 in words is "twenty-two billion, one hundred eighty-two million, forty thousand, twenty-two".