22032423209 has 2 divisors, whose sum is σ = 22032423210. Its totient is φ = 22032423208.

The previous prime is 22032423121. The next prime is 22032423221. The reversal of 22032423209 is 90232423022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21294105625 + 738317584 = 145925^2 + 27172^2 .

It is a cyclic number.

It is not a de Polignac number, because 22032423209 - 2⁸ = 22032422953 is a prime.

It is not a weakly prime, because it can be changed into another prime (22032423239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11016211604 + 11016211605.

It is an arithmetic number, because the mean of its divisors is an integer number (11016211605).

Almost surely, 2^22032423209 is an apocalyptic number.

It is an amenable number.

22032423209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22032423209 is an equidigital number, since it uses as much as digits as its factorization.

22032423209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 22032423209 in words is "twenty-two billion, thirty-two million, four hundred twenty-three thousand, two hundred nine".