2201923409 has 12 divisors (see below), whose sum is σ = 2579372352. Its totient is φ = 1841319840.

The previous prime is 2201923369. The next prime is 2201923417. The reversal of 2201923409 is 9043291022.

It is not a de Polignac number, because 2201923409 - 2²⁰ = 2200874833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201923429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81797 + ... + 105330.

It is an arithmetic number, because the mean of its divisors is an integer number (214947696).

Almost surely, 2^2201923409 is an apocalyptic number.

It is an amenable number.

2201923409 is a deficient number, since it is larger than the sum of its proper divisors (377448943).

2201923409 is an equidigital number, since it uses as much as digits as its factorization.

2201923409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187216 (or 187175 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2201923409 is about 46924.6567275670. The cubic root of 2201923409 is about 1300.9703620979.

The spelling of 2201923409 in words is "two billion, two hundred one million, nine hundred twenty-three thousand, four hundred nine".