22212240520489 has 2 divisors, whose sum is σ = 22212240520490. Its totient is φ = 22212240520488.

The previous prime is 22212240520429. The next prime is 22212240520493. The reversal of 22212240520489 is 98402504221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21000772675600 + 1211467844889 = 4582660^2 + 1100667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212240520489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212240520429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106120260244 + 11106120260245.

It is an arithmetic number, because the mean of its divisors is an integer number (11106120260245).

Almost surely, 2^{22212240520489} is an apocalyptic number.

It is an amenable number.

22212240520489 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212240520489 is an equidigital number, since it uses as much as digits as its factorization.

22212240520489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 22212240520489 in words is "twenty-two trillion, two hundred twelve billion, two hundred forty million, five hundred twenty thousand, four hundred eighty-nine".