22553103421 has 4 divisors (see below), whose sum is σ = 22603333500. Its totient is φ = 22502873344.

The previous prime is 22553103403. The next prime is 22553103481. The reversal of 22553103421 is 12430135522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10735239321 + 11817864100 = 103611^2 + 108710^2 .

It is a cyclic number.

It is not a de Polignac number, because 22553103421 - 2¹⁷ = 22552972349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22553103421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22553103401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25114366 + ... + 25115263.

It is an arithmetic number, because the mean of its divisors is an integer number (5650833375).

Almost surely, 2^22553103421 is an apocalyptic number.

It is an amenable number.

22553103421 is a deficient number, since it is larger than the sum of its proper divisors (50230079).

22553103421 is an equidigital number, since it uses as much as digits as its factorization.

22553103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50230078.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 22553103421 its reverse (12430135522), we get a palindrome (34983238943).

The spelling of 22553103421 in words is "twenty-two billion, five hundred fifty-three million, one hundred three thousand, four hundred twenty-one".