222122889949 has 2 divisors, whose sum is σ = 222122889950. Its totient is φ = 222122889948.

The previous prime is 222122889941. The next prime is 222122889953. The reversal of 222122889949 is 949988221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184829486724 + 37293403225 = 429918^2 + 193115^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122889949 - 2³ = 222122889941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222122889893 and 222122889902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122889941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061444974 + 111061444975.

It is an arithmetic number, because the mean of its divisors is an integer number (111061444975).

Almost surely, 2^222122889949 is an apocalyptic number.

It is an amenable number.

222122889949 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122889949 is an equidigital number, since it uses as much as digits as its factorization.

222122889949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 58.

The spelling of 222122889949 in words is "two hundred twenty-two billion, one hundred twenty-two million, eight hundred eighty-nine thousand, nine hundred forty-nine".