22026544321643 has 16 divisors (see below), whose sum is σ = 22194541812576. Its totient is φ = 21859114844160.

The previous prime is 22026544321637. The next prime is 22026544321667. The reversal of 22026544321643 is 34612344562022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22026544321643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22026544321594 and 22026544321603.

It is not an unprimeable number, because it can be changed into a prime (22026544321603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292553203 + ... + 1292570243.

It is an arithmetic number, because the mean of its divisors is an integer number (1387158863286).

Almost surely, 2^{22026544321643} is an apocalyptic number.

22026544321643 is a deficient number, since it is larger than the sum of its proper divisors (167997490933).

22026544321643 is a wasteful number, since it uses less digits than its factorization.

22026544321643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33134.

The product of its (nonzero) digits is 1658880, while the sum is 44.

Adding to 22026544321643 its reverse (34612344562022), we get a palindrome (56638888883665).

The spelling of 22026544321643 in words is "twenty-two trillion, twenty-six billion, five hundred forty-four million, three hundred twenty-one thousand, six hundred forty-three".