22321202209 has 2 divisors, whose sum is σ = 22321202210. Its totient is φ = 22321202208.

The previous prime is 22321202153. The next prime is 22321202231. The reversal of 22321202209 is 90220212322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12737379600 + 9583822609 = 112860^2 + 97897^2 .

It is a cyclic number.

It is not a de Polignac number, because 22321202209 - 2¹³ = 22321194017 is a prime.

It is a super-3 number, since 3×22321202209³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22321202279) 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, 11160601104 + 11160601105.

It is an arithmetic number, because the mean of its divisors is an integer number (11160601105).

Almost surely, 2^22321202209 is an apocalyptic number.

It is an amenable number.

22321202209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321202209 is an equidigital number, since it uses as much as digits as its factorization.

22321202209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 22321202209 in words is "twenty-two billion, three hundred twenty-one million, two hundred two thousand, two hundred nine".