22122244453 has 4 divisors (see below), whose sum is σ = 22128905088. Its totient is φ = 22115583820.

The previous prime is 22122244373. The next prime is 22122244457. The reversal of 22122244453 is 35444222122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35444222122 = 2 ⋅17722111061.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122244453 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 (22122244457) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3325333 + ... + 3331978.

It is an arithmetic number, because the mean of its divisors is an integer number (5532226272).

Almost surely, 2^22122244453 is an apocalyptic number.

It is an amenable number.

22122244453 is a deficient number, since it is larger than the sum of its proper divisors (6660635).

22122244453 is an equidigital number, since it uses as much as digits as its factorization.

22122244453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6660634.

The product of its digits is 30720, while the sum is 31.

Adding to 22122244453 its reverse (35444222122), we get a palindrome (57566466575).

The spelling of 22122244453 in words is "twenty-two billion, one hundred twenty-two million, two hundred forty-four thousand, four hundred fifty-three".