22415144335457 has 2 divisors, whose sum is σ = 22415144335458. Its totient is φ = 22415144335456.

The previous prime is 22415144335429. The next prime is 22415144335483. The reversal of 22415144335457 is 75453344151422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15251336847616 + 7163807487841 = 3905296^2 + 2676529^2 .

It is a cyclic number.

It is not a de Polignac number, because 22415144335457 - 2⁴² = 18017097824353 is a prime.

It is not a weakly prime, because it can be changed into another prime (22415144235457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11207572167728 + 11207572167729.

It is an arithmetic number, because the mean of its divisors is an integer number (11207572167729).

Almost surely, 2^{22415144335457} is an apocalyptic number.

It is an amenable number.

22415144335457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22415144335457 is an equidigital number, since it uses as much as digits as its factorization.

22415144335457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064000, while the sum is 50.

Adding to 22415144335457 its reverse (75453344151422), we get a palindrome (97868488486879).

The spelling of 22415144335457 in words is "twenty-two trillion, four hundred fifteen billion, one hundred forty-four million, three hundred thirty-five thousand, four hundred fifty-seven".