22040446441 has 4 divisors (see below), whose sum is σ = 23735865412. Its totient is φ = 20345027472.

The previous prime is 22040446411. The next prime is 22040446459. The reversal of 22040446441 is 14464404022.

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 9298552041 + 12741894400 = 96429^2 + 112880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22040446441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22040446411) 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, 847709466 + ... + 847709491.

It is an arithmetic number, because the mean of its divisors is an integer number (5933966353).

Almost surely, 2^22040446441 is an apocalyptic number.

It is an amenable number.

22040446441 is a deficient number, since it is larger than the sum of its proper divisors (1695418971).

22040446441 is a wasteful number, since it uses less digits than its factorization.

22040446441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695418970.

The product of its (nonzero) digits is 24576, while the sum is 31.

The spelling of 22040446441 in words is "twenty-two billion, forty million, four hundred forty-six thousand, four hundred forty-one".