22211002212229 has 2 divisors, whose sum is σ = 22211002212230. Its totient is φ = 22211002212228.

The previous prime is 22211002212187. The next prime is 22211002212251. The reversal of 22211002212229 is 92221220011222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13288773472129 + 8922228740100 = 3645377^2 + 2987010^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211002212229 - 2⁴³ = 13414909190021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211002212197 and 22211002212206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22211002212829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105501106114 + 11105501106115.

It is an arithmetic number, because the mean of its divisors is an integer number (11105501106115).

Almost surely, 2^{22211002212229} is an apocalyptic number.

It is an amenable number.

22211002212229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211002212229 is an equidigital number, since it uses as much as digits as its factorization.

22211002212229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 22211002212229 in words is "twenty-two trillion, two hundred eleven billion, two million, two hundred twelve thousand, two hundred twenty-nine".