22120334553 has 16 divisors (see below), whose sum is σ = 30530465280. Its totient is φ = 14229202176.

The previous prime is 22120334519. The next prime is 22120334581. The reversal of 22120334553 is 35543302122.

It is not a de Polignac number, because 22120334553 - 2¹⁸ = 22120072409 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22120334553.

It is not an unprimeable number, because it can be changed into a prime (22120333553) 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 15 ways as a sum of consecutive naturals, for example, 55201 + ... + 217457.

It is an arithmetic number, because the mean of its divisors is an integer number (1908154080).

Almost surely, 2^22120334553 is an apocalyptic number.

It is an amenable number.

22120334553 is a deficient number, since it is larger than the sum of its proper divisors (8410130727).

22120334553 is a wasteful number, since it uses less digits than its factorization.

22120334553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163856.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 22120334553 its reverse (35543302122), we get a palindrome (57663636675).

The spelling of 22120334553 in words is "twenty-two billion, one hundred twenty million, three hundred thirty-four thousand, five hundred fifty-three".