22407005809 has 4 divisors (see below), whose sum is σ = 23129812480. Its totient is φ = 21684199140.

The previous prime is 22407005779. The next prime is 22407005813. The reversal of 22407005809 is 90850070422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90850070422 = 2 ⋅45425035211.

It is a cyclic number.

It is not a de Polignac number, because 22407005809 - 2⁹ = 22407005297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22407005209) 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, 361403289 + ... + 361403350.

It is an arithmetic number, because the mean of its divisors is an integer number (5782453120).

Almost surely, 2^22407005809 is an apocalyptic number.

It is an amenable number.

22407005809 is a deficient number, since it is larger than the sum of its proper divisors (722806671).

22407005809 is an equidigital number, since it uses as much as digits as its factorization.

22407005809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722806670.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 22407005809 in words is "twenty-two billion, four hundred seven million, five thousand, eight hundred nine".