22211154553 has 4 divisors (see below), whose sum is σ = 25384176640. Its totient is φ = 19038132468.

The previous prime is 22211154509. The next prime is 22211154569. The reversal of 22211154553 is 35545111222.

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: 35545111222 = 2 ⋅17772555611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211154553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211154583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586511033 + ... + 1586511046.

It is an arithmetic number, because the mean of its divisors is an integer number (6346044160).

Almost surely, 2^22211154553 is an apocalyptic number.

It is an amenable number.

22211154553 is a deficient number, since it is larger than the sum of its proper divisors (3173022087).

22211154553 is an equidigital number, since it uses as much as digits as its factorization.

22211154553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173022086.

The product of its digits is 12000, while the sum is 31.

Adding to 22211154553 its reverse (35545111222), we get a palindrome (57756265775).

The spelling of 22211154553 in words is "twenty-two billion, two hundred eleven million, one hundred fifty-four thousand, five hundred fifty-three".