22211552441 has 4 divisors (see below), whose sum is σ = 23920133412. Its totient is φ = 20502971472.

The previous prime is 22211552437. The next prime is 22211552449. The reversal of 22211552441 is 14425511222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2863855225 + 19347697216 = 53515^2 + 139096^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211552441 - 2² = 22211552437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211552449) 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, 854290466 + ... + 854290491.

It is an arithmetic number, because the mean of its divisors is an integer number (5980033353).

Almost surely, 2^22211552441 is an apocalyptic number.

It is an amenable number.

22211552441 is a deficient number, since it is larger than the sum of its proper divisors (1708580971).

22211552441 is a wasteful number, since it uses less digits than its factorization.

22211552441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708580970.

The product of its digits is 6400, while the sum is 29.

The spelling of 22211552441 in words is "twenty-two billion, two hundred eleven million, five hundred fifty-two thousand, four hundred forty-one".