22214445437 has 2 divisors, whose sum is σ = 22214445438. Its totient is φ = 22214445436.

The previous prime is 22214445401. The next prime is 22214445481. The reversal of 22214445437 is 73454441222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12811070596 + 9403374841 = 113186^2 + 96971^2 .

It is a cyclic number.

It is not a de Polignac number, because 22214445437 - 2²⁶ = 22147336573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22214445437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22214445497) 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 as a sum of consecutive naturals, namely, 11107222718 + 11107222719.

It is an arithmetic number, because the mean of its divisors is an integer number (11107222719).

Almost surely, 2^22214445437 is an apocalyptic number.

It is an amenable number.

22214445437 is a deficient number, since it is larger than the sum of its proper divisors (1).

22214445437 is an equidigital number, since it uses as much as digits as its factorization.

22214445437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 38.

Adding to 22214445437 its reverse (73454441222), we get a palindrome (95668886659).

The spelling of 22214445437 in words is "twenty-two billion, two hundred fourteen million, four hundred forty-five thousand, four hundred thirty-seven".