22555252166659 has 2 divisors, whose sum is σ = 22555252166660. Its totient is φ = 22555252166658.

The previous prime is 22555252166609. The next prime is 22555252166669. The reversal of 22555252166659 is 95666125255522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22555252166659 - 2⁹ = 22555252166147 is a prime.

It is a super-2 number, since 2×22555252166659² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22555252166597 and 22555252166606.

It is not a weakly prime, because it can be changed into another prime (22555252166609) 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, 11277626083329 + 11277626083330.

It is an arithmetic number, because the mean of its divisors is an integer number (11277626083330).

Almost surely, 2^{22555252166659} is an apocalyptic number.

22555252166659 is a deficient number, since it is larger than the sum of its proper divisors (1).

22555252166659 is an equidigital number, since it uses as much as digits as its factorization.

22555252166659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200000, while the sum is 61.

The spelling of 22555252166659 in words is "twenty-two trillion, five hundred fifty-five billion, two hundred fifty-two million, one hundred sixty-six thousand, six hundred fifty-nine".