22030401209 has 2 divisors, whose sum is σ = 22030401210. Its totient is φ = 22030401208.

The previous prime is 22030401187. The next prime is 22030401293. The reversal of 22030401209 is 90210403022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21888314809 + 142086400 = 147947^2 + 11920^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030401209 - 2¹² = 22030397113 is a prime.

It is not a weakly prime, because it can be changed into another prime (22030401709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015200604 + 11015200605.

It is an arithmetic number, because the mean of its divisors is an integer number (11015200605).

Almost surely, 2^22030401209 is an apocalyptic number.

It is an amenable number.

22030401209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030401209 is an equidigital number, since it uses as much as digits as its factorization.

22030401209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 22030401209 in words is "twenty-two billion, thirty million, four hundred one thousand, two hundred nine".