22553324455 has 4 divisors (see below), whose sum is σ = 27063989352. Its totient is φ = 18042659560.

The previous prime is 22553324407. The next prime is 22553324509. The reversal of 22553324455 is 55442335522.

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

It is not a de Polignac number, because 22553324455 - 2¹³ = 22553316263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255332441 + ... + 2255332450.

It is an arithmetic number, because the mean of its divisors is an integer number (6765997338).

Almost surely, 2^22553324455 is an apocalyptic number.

22553324455 is a deficient number, since it is larger than the sum of its proper divisors (4510664897).

22553324455 is an equidigital number, since it uses as much as digits as its factorization.

22553324455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510664896.

The product of its digits is 720000, while the sum is 40.

Adding to 22553324455 its reverse (55442335522), we get a palindrome (77995659977).

The spelling of 22553324455 in words is "twenty-two billion, five hundred fifty-three million, three hundred twenty-four thousand, four hundred fifty-five".