22444140332413 has 2 divisors, whose sum is σ = 22444140332414. Its totient is φ = 22444140332412.

The previous prime is 22444140332407. The next prime is 22444140332417. The reversal of 22444140332413 is 31423304144422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22135491196569 + 308649135844 = 4704837^2 + 555562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22444140332413 is a prime.

It is a super-4 number, since 4×22444140332413⁴ (a number of 55 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22444140332417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222070166206 + 11222070166207.

It is an arithmetic number, because the mean of its divisors is an integer number (11222070166207).

Almost surely, 2^{22444140332413} is an apocalyptic number.

It is an amenable number.

22444140332413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22444140332413 is an equidigital number, since it uses as much as digits as its factorization.

22444140332413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 22444140332413 its reverse (31423304144422), we get a palindrome (53867444476835).

The spelling of 22444140332413 in words is "twenty-two trillion, four hundred forty-four billion, one hundred forty million, three hundred thirty-two thousand, four hundred thirteen".