22020220022209 has 2 divisors, whose sum is σ = 22020220022210. Its totient is φ = 22020220022208.

The previous prime is 22020220022183. The next prime is 22020220022221. The reversal of 22020220022209 is 90222002202022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14160944188609 + 7859275833600 = 3763103^2 + 2803440^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020220022209 - 2⁷ = 22020220022081 is a prime.

It is not a weakly prime, because it can be changed into another prime (22020220622209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010110011104 + 11010110011105.

It is an arithmetic number, because the mean of its divisors is an integer number (11010110011105).

Almost surely, 2^{22020220022209} is an apocalyptic number.

It is an amenable number.

22020220022209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020220022209 is an equidigital number, since it uses as much as digits as its factorization.

22020220022209 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 25.

The spelling of 22020220022209 in words is "twenty-two trillion, twenty billion, two hundred twenty million, twenty-two thousand, two hundred nine".