222244557889 has 2 divisors, whose sum is σ = 222244557890. Its totient is φ = 222244557888.

The previous prime is 222244557859. The next prime is 222244557917. The reversal of 222244557889 is 988755442222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220247183025 + 1997374864 = 469305^2 + 44692^2 .

It is a cyclic number.

It is not a de Polignac number, because 222244557889 - 2⁹ = 222244557377 is a prime.

It is a super-2 number, since 2×222244557889² (a number of 23 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (222244557859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111122278944 + 111122278945.

It is an arithmetic number, because the mean of its divisors is an integer number (111122278945).

Almost surely, 2^222244557889 is an apocalyptic number.

It is an amenable number.

222244557889 is a deficient number, since it is larger than the sum of its proper divisors (1).

222244557889 is an equidigital number, since it uses as much as digits as its factorization.

222244557889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25804800, while the sum is 58.

The spelling of 222244557889 in words is "two hundred twenty-two billion, two hundred forty-four million, five hundred fifty-seven thousand, eight hundred eighty-nine".