222244845881 has 2 divisors, whose sum is σ = 222244845882. Its totient is φ = 222244845880.

The previous prime is 222244845833. The next prime is 222244845899. The reversal of 222244845881 is 188548442222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199183690000 + 23061155881 = 446300^2 + 151859^2 .

It is a cyclic number.

It is not a de Polignac number, because 222244845881 - 2¹⁴ = 222244829497 is a prime.

It is a super-2 number, since 2×222244845881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222244845481) 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, 111122422940 + 111122422941.

It is an arithmetic number, because the mean of its divisors is an integer number (111122422941).

Almost surely, 2^222244845881 is an apocalyptic number.

It is an amenable number.

222244845881 is a deficient number, since it is larger than the sum of its proper divisors (1).

222244845881 is an equidigital number, since it uses as much as digits as its factorization.

222244845881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2621440, while the sum is 50.

The spelling of 222244845881 in words is "two hundred twenty-two billion, two hundred forty-four million, eight hundred forty-five thousand, eight hundred eighty-one".