22204420441 has 4 divisors (see below), whose sum is σ = 25376480512. Its totient is φ = 19032360372.

The previous prime is 22204420429. The next prime is 22204420451. The reversal of 22204420441 is 14402440222.

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 22204420441 - 2²³ = 22196031833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22204420421) 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, 1586030025 + ... + 1586030038.

It is an arithmetic number, because the mean of its divisors is an integer number (6344120128).

Almost surely, 2^22204420441 is an apocalyptic number.

It is an amenable number.

22204420441 is a deficient number, since it is larger than the sum of its proper divisors (3172060071).

22204420441 is an equidigital number, since it uses as much as digits as its factorization.

22204420441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172060070.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 22204420441 its reverse (14402440222), we get a palindrome (36606860663).

The spelling of 22204420441 in words is "twenty-two billion, two hundred four million, four hundred twenty thousand, four hundred forty-one".