22124302009 has 2 divisors, whose sum is σ = 22124302010. Its totient is φ = 22124302008.

The previous prime is 22124301989. The next prime is 22124302019. The reversal of 22124302009 is 90020342122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20156048784 + 1968253225 = 141972^2 + 44365^2 .

It is a cyclic number.

It is not a de Polignac number, because 22124302009 - 2⁹ = 22124301497 is a prime.

It is not a weakly prime, because it can be changed into another prime (22124302019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11062151004 + 11062151005.

It is an arithmetic number, because the mean of its divisors is an integer number (11062151005).

Almost surely, 2^22124302009 is an apocalyptic number.

It is an amenable number.

22124302009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22124302009 is an equidigital number, since it uses as much as digits as its factorization.

22124302009 is an evil number, because the sum of its binary digits is even.

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

The spelling of 22124302009 in words is "twenty-two billion, one hundred twenty-four million, three hundred two thousand, nine".