22202020221229 has 2 divisors, whose sum is σ = 22202020221230. Its totient is φ = 22202020221228.

The previous prime is 22202020221163. The next prime is 22202020221247. The reversal of 22202020221229 is 92212202020222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22121689356900 + 80330864329 = 4703370^2 + 283427^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202020221229 - 2⁹ = 22202020220717 is a prime.

It is a super-2 number, since 2×22202020221229² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22202020221197 and 22202020221206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202020221629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101010110614 + 11101010110615.

It is an arithmetic number, because the mean of its divisors is an integer number (11101010110615).

Almost surely, 2^{22202020221229} is an apocalyptic number.

It is an amenable number.

22202020221229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202020221229 is an equidigital number, since it uses as much as digits as its factorization.

22202020221229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 22202020221229 in words is "twenty-two trillion, two hundred two billion, twenty million, two hundred twenty-one thousand, two hundred twenty-nine".