2222990554789 has 2 divisors, whose sum is σ = 2222990554790. Its totient is φ = 2222990554788.

The previous prime is 2222990554787. The next prime is 2222990554831. The reversal of 2222990554789 is 9874550992222.

2222990554789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1654863552225 + 568127002564 = 1286415^2 + 753742^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222990554789 - 2¹ = 2222990554787 is a prime.

It is a super-2 number, since 2×2222990554789² (a number of 25 digits) contains 22 as substring.

Together with 2222990554787, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2222990554789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222990554783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111495277394 + 1111495277395.

It is an arithmetic number, because the mean of its divisors is an integer number (1111495277395).

Almost surely, 2^{2222990554789} is an apocalyptic number.

It is an amenable number.

2222990554789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222990554789 is an equidigital number, since it uses as much as digits as its factorization.

2222990554789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 2222990554789 in words is "two trillion, two hundred twenty-two billion, nine hundred ninety million, five hundred fifty-four thousand, seven hundred eighty-nine".