22220122229 has 2 divisors, whose sum is σ = 22220122230. Its totient is φ = 22220122228.

The previous prime is 22220122207. The next prime is 22220122259. The reversal of 22220122229 is 92222102222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17902975204 + 4317147025 = 133802^2 + 65705^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220122229 - 2²⁴ = 22203345013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22220122198 and 22220122207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220122259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110061114 + 11110061115.

It is an arithmetic number, because the mean of its divisors is an integer number (11110061115).

Almost surely, 2^22220122229 is an apocalyptic number.

It is an amenable number.

22220122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220122229 is an equidigital number, since it uses as much as digits as its factorization.

22220122229 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 26.

The spelling of 22220122229 in words is "twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty-nine".