222122889941 has 2 divisors, whose sum is σ = 222122889942. Its totient is φ = 222122889940.

The previous prime is 222122889917. The next prime is 222122889949. The reversal of 222122889941 is 149988221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160360202500 + 61762687441 = 400450^2 + 248521^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122889941 - 2²² = 222118695637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222122889941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122889949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061444970 + 111061444971.

It is an arithmetic number, because the mean of its divisors is an integer number (111061444971).

Almost surely, 2^222122889941 is an apocalyptic number.

It is an amenable number.

222122889941 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122889941 is an equidigital number, since it uses as much as digits as its factorization.

222122889941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 50.

The spelling of 222122889941 in words is "two hundred twenty-two billion, one hundred twenty-two million, eight hundred eighty-nine thousand, nine hundred forty-one".