22231152444443 has 2 divisors, whose sum is σ = 22231152444444. Its totient is φ = 22231152444442.

The previous prime is 22231152444383. The next prime is 22231152444469. The reversal of 22231152444443 is 34444425113222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22231152444443 - 2²⁰ = 22231151395867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22231152444443.

It is not a weakly prime, because it can be changed into another prime (22231152446443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115576222221 + 11115576222222.

It is an arithmetic number, because the mean of its divisors is an integer number (11115576222222).

Almost surely, 2^{22231152444443} is an apocalyptic number.

22231152444443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22231152444443 is an equidigital number, since it uses as much as digits as its factorization.

22231152444443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 737280, while the sum is 41.

Adding to 22231152444443 its reverse (34444425113222), we get a palindrome (56675577557665).

The spelling of 22231152444443 in words is "twenty-two trillion, two hundred thirty-one billion, one hundred fifty-two million, four hundred forty-four thousand, four hundred forty-three".