22020221029 has 2 divisors, whose sum is σ = 22020221030. Its totient is φ = 22020221028.

The previous prime is 22020220997. The next prime is 22020221039. The reversal of 22020221029 is 92012202022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20021684004 + 1998537025 = 141498^2 + 44705^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020221029 - 2⁵ = 22020220997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020221039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010110514 + 11010110515.

It is an arithmetic number, because the mean of its divisors is an integer number (11010110515).

Almost surely, 2^22020221029 is an apocalyptic number.

It is an amenable number.

22020221029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020221029 is an equidigital number, since it uses as much as digits as its factorization.

22020221029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

It can be divided in two parts, 22020 and 221029, that added together give a square (243049 = 493²).

The spelling of 22020221029 in words is "twenty-two billion, twenty million, two hundred twenty-one thousand, twenty-nine".