22323003209 has 4 divisors (see below), whose sum is σ = 24040157316. Its totient is φ = 20605849104.

The previous prime is 22323003203. The next prime is 22323003221. The reversal of 22323003209 is 90230032322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3416753209 + 18906250000 = 58453^2 + 137500^2 .

It is a cyclic number.

It is not a de Polignac number, because 22323003209 - 2²⁸ = 22054567753 is a prime.

It is a super-3 number, since 3×22323003209³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22323003203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858577034 + ... + 858577059.

It is an arithmetic number, because the mean of its divisors is an integer number (6010039329).

Almost surely, 2^22323003209 is an apocalyptic number.

It is an amenable number.

22323003209 is a deficient number, since it is larger than the sum of its proper divisors (1717154107).

22323003209 is a wasteful number, since it uses less digits than its factorization.

22323003209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717154106.

The product of its (nonzero) digits is 3888, while the sum is 26.

The spelling of 22323003209 in words is "twenty-two billion, three hundred twenty-three million, three thousand, two hundred nine".