22554343553 has 4 divisors (see below), whose sum is σ = 25776392640. Its totient is φ = 19332294468.

The previous prime is 22554343481. The next prime is 22554343583. The reversal of 22554343553 is 35534345522.

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.

It is a cyclic number.

It is not a de Polignac number, because 22554343553 - 2¹⁰ = 22554342529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22554343553.

It is not an unprimeable number, because it can be changed into a prime (22554343583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611024533 + ... + 1611024546.

It is an arithmetic number, because the mean of its divisors is an integer number (6444098160).

Almost surely, 2^22554343553 is an apocalyptic number.

It is an amenable number.

22554343553 is a deficient number, since it is larger than the sum of its proper divisors (3222049087).

22554343553 is an equidigital number, since it uses as much as digits as its factorization.

22554343553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222049086.

The product of its digits is 1080000, while the sum is 41.

The spelling of 22554343553 in words is "twenty-two billion, five hundred fifty-four million, three hundred forty-three thousand, five hundred fifty-three".