10222020209 has 2 divisors, whose sum is σ = 10222020210. Its totient is φ = 10222020208.

The previous prime is 10222020191. The next prime is 10222020223. The reversal of 10222020209 is 90202022201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9757488400 + 464531809 = 98780^2 + 21553^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222020209 - 2¹² = 10222016113 is a prime.

It is not a weakly prime, because it can be changed into another prime (10222020239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111010104 + 5111010105.

It is an arithmetic number, because the mean of its divisors is an integer number (5111010105).

Almost surely, 2^10222020209 is an apocalyptic number.

It is an amenable number.

10222020209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222020209 is an equidigital number, since it uses as much as digits as its factorization.

10222020209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 10222020209 in words is "ten billion, two hundred twenty-two million, twenty thousand, two hundred nine".