22011222229 has 2 divisors, whose sum is σ = 22011222230. Its totient is φ = 22011222228.

The previous prime is 22011222223. The next prime is 22011222253. The reversal of 22011222229 is 92222211022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19936875204 + 2074347025 = 141198^2 + 45545^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011222229 - 2⁵ = 22011222197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011222223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005611114 + 11005611115.

It is an arithmetic number, because the mean of its divisors is an integer number (11005611115).

Almost surely, 2^22011222229 is an apocalyptic number.

It is an amenable number.

22011222229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011222229 is an equidigital number, since it uses as much as digits as its factorization.

22011222229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 22011222229 in words is "twenty-two billion, eleven million, two hundred twenty-two thousand, two hundred twenty-nine".