22506354422443 has 2 divisors, whose sum is σ = 22506354422444. Its totient is φ = 22506354422442.

The previous prime is 22506354422393. The next prime is 22506354422467. The reversal of 22506354422443 is 34422445360522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22506354422443 - 2¹⁷ = 22506354291371 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22506354422393 and 22506354422402.

It is not a weakly prime, because it can be changed into another prime (22506354422243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11253177211221 + 11253177211222.

It is an arithmetic number, because the mean of its divisors is an integer number (11253177211222).

Almost surely, 2^{22506354422443} is an apocalyptic number.

22506354422443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22506354422443 is an equidigital number, since it uses as much as digits as its factorization.

22506354422443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5529600, while the sum is 46.

Adding to 22506354422443 its reverse (34422445360522), we get a palindrome (56928799782965).

The spelling of 22506354422443 in words is "twenty-two trillion, five hundred six billion, three hundred fifty-four million, four hundred twenty-two thousand, four hundred forty-three".