2204421215489 has 2 divisors, whose sum is σ = 2204421215490. Its totient is φ = 2204421215488.

The previous prime is 2204421215441. The next prime is 2204421215533. The reversal of 2204421215489 is 9845121244022.

It is a happy number.

It is an a-pointer prime, because the next prime (2204421215533) can be obtained adding 2204421215489 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1487168055025 + 717253160464 = 1219495^2 + 846908^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204421215489 - 2²⁰ = 2204420166913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2204421215419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102210607744 + 1102210607745.

It is an arithmetic number, because the mean of its divisors is an integer number (1102210607745).

Almost surely, 2^{2204421215489} is an apocalyptic number.

It is an amenable number.

2204421215489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204421215489 is an equidigital number, since it uses as much as digits as its factorization.

2204421215489 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 44.

The spelling of 2204421215489 in words is "two trillion, two hundred four billion, four hundred twenty-one million, two hundred fifteen thousand, four hundred eighty-nine".