22066554122519 has 2 divisors, whose sum is σ = 22066554122520. Its totient is φ = 22066554122518.

The previous prime is 22066554122491. The next prime is 22066554122537. The reversal of 22066554122519 is 91522145566022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22066554122519 - 2¹² = 22066554118423 is a prime.

It is a super-2 number, since 2×22066554122519² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22066554122539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11033277061259 + 11033277061260.

It is an arithmetic number, because the mean of its divisors is an integer number (11033277061260).

Almost surely, 2^{22066554122519} is an apocalyptic number.

22066554122519 is a deficient number, since it is larger than the sum of its proper divisors (1).

22066554122519 is an equidigital number, since it uses as much as digits as its factorization.

22066554122519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 22066554122519 in words is "twenty-two trillion, sixty-six billion, five hundred fifty-four million, one hundred twenty-two thousand, five hundred nineteen".