322212243005551 has 2 divisors, whose sum is σ = 322212243005552. Its totient is φ = 322212243005550.

The previous prime is 322212243005509. The next prime is 322212243005557. The reversal of 322212243005551 is 155500342212223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 322212243005551 - 2¹⁹ = 322212242481263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 322212243005551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322212243005557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161106121502775 + 161106121502776.

It is an arithmetic number, because the mean of its divisors is an integer number (161106121502776).

Almost surely, 2^{322212243005551} is an apocalyptic number.

322212243005551 is a deficient number, since it is larger than the sum of its proper divisors (1).

322212243005551 is an equidigital number, since it uses as much as digits as its factorization.

322212243005551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 322212243005551 its reverse (155500342212223), we get a palindrome (477712585217774).

The spelling of 322212243005551 in words is "three hundred twenty-two trillion, two hundred twelve billion, two hundred forty-three million, five thousand, five hundred fifty-one".