22442015412217 has 2 divisors, whose sum is σ = 22442015412218. Its totient is φ = 22442015412216.

The previous prime is 22442015412109. The next prime is 22442015412241. The reversal of 22442015412217 is 71221451024422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17997525037801 + 4444490374416 = 4242349^2 + 2108196^2 .

It is a cyclic number.

It is not a de Polignac number, because 22442015412217 - 2¹¹ = 22442015410169 is a prime.

It is not a weakly prime, because it can be changed into another prime (22442015415217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11221007706108 + 11221007706109.

It is an arithmetic number, because the mean of its divisors is an integer number (11221007706109).

Almost surely, 2^{22442015412217} is an apocalyptic number.

It is an amenable number.

22442015412217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22442015412217 is an equidigital number, since it uses as much as digits as its factorization.

22442015412217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71680, while the sum is 37.

Adding to 22442015412217 its reverse (71221451024422), we get a palindrome (93663466436639).

The spelling of 22442015412217 in words is "twenty-two trillion, four hundred forty-two billion, fifteen million, four hundred twelve thousand, two hundred seventeen".