22205204441 has 4 divisors (see below), whose sum is σ = 25377376512. Its totient is φ = 19033032372.

The previous prime is 22205204407. The next prime is 22205204443. The reversal of 22205204441 is 14440250222.

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: 14440250222 = 2 ⋅7220125111.

It is a cyclic number.

It is not a de Polignac number, because 22205204441 - 2⁶ = 22205204377 is a prime.

It is a super-2 number, since 2×22205204441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 22205204441.

It is not an unprimeable number, because it can be changed into a prime (22205204443) 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 3 ways as a sum of consecutive naturals, for example, 1586086025 + ... + 1586086038.

It is an arithmetic number, because the mean of its divisors is an integer number (6344344128).

Almost surely, 2^22205204441 is an apocalyptic number.

It is an amenable number.

22205204441 is a deficient number, since it is larger than the sum of its proper divisors (3172172071).

22205204441 is an equidigital number, since it uses as much as digits as its factorization.

22205204441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172172070.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22205204441 its reverse (14440250222), we get a palindrome (36645454663).

The spelling of 22205204441 in words is "twenty-two billion, two hundred five million, two hundred four thousand, four hundred forty-one".