221322223212229 has 2 divisors, whose sum is σ = 221322223212230. Its totient is φ = 221322223212228.

The previous prime is 221322223212179. The next prime is 221322223212239. The reversal of 221322223212229 is 922212322223122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162320391212004 + 59001832000225 = 12740502^2 + 7681265^2 .

It is a cyclic number.

It is not a de Polignac number, because 221322223212229 - 2¹³ = 221322223204037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221322223212239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110661111606114 + 110661111606115.

It is an arithmetic number, because the mean of its divisors is an integer number (110661111606115).

Almost surely, 2^{221322223212229} is an apocalyptic number.

It is an amenable number.

221322223212229 is a deficient number, since it is larger than the sum of its proper divisors (1).

221322223212229 is an equidigital number, since it uses as much as digits as its factorization.

221322223212229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The spelling of 221322223212229 in words is "two hundred twenty-one trillion, three hundred twenty-two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred twenty-nine".