22011222529 has 2 divisors, whose sum is σ = 22011222530. Its totient is φ = 22011222528.

The previous prime is 22011222511. The next prime is 22011222553. The reversal of 22011222529 is 92522211022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21234318400 + 776904129 = 145720^2 + 27873^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011222529 - 2¹¹ = 22011220481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011222497 and 22011222506.

It is not a weakly prime, because it can be changed into another prime (22011222509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005611264 + 11005611265.

It is an arithmetic number, because the mean of its divisors is an integer number (11005611265).

Almost surely, 2^22011222529 is an apocalyptic number.

It is an amenable number.

22011222529 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011222529 is an equidigital number, since it uses as much as digits as its factorization.

22011222529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 22011222529 in words is "twenty-two billion, eleven million, two hundred twenty-two thousand, five hundred twenty-nine".