22440341197 has 2 divisors, whose sum is σ = 22440341198. Its totient is φ = 22440341196.

The previous prime is 22440341111. The next prime is 22440341213. The reversal of 22440341197 is 79114304422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21193827561 + 1246513636 = 145581^2 + 35306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22440341197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22440341107) 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 as a sum of consecutive naturals, namely, 11220170598 + 11220170599.

It is an arithmetic number, because the mean of its divisors is an integer number (11220170599).

Almost surely, 2^22440341197 is an apocalyptic number.

It is an amenable number.

22440341197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22440341197 is an equidigital number, since it uses as much as digits as its factorization.

22440341197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 22440341197 in words is "twenty-two billion, four hundred forty million, three hundred forty-one thousand, one hundred ninety-seven".