2203946005 has 4 divisors (see below), whose sum is σ = 2644735212. Its totient is φ = 1763156800.

The previous prime is 2203945889. The next prime is 2203946009. The reversal of 2203946005 is 5006493022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5006493022 = 2 ⋅2503246511.

It can be written as a sum of positive squares in 2 ways, for example, as 918938596 + 1285007409 = 30314^2 + 35847^2 .

It is not a de Polignac number, because 2203946005 - 2¹¹ = 2203943957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203946009) 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, 220394596 + ... + 220394605.

It is an arithmetic number, because the mean of its divisors is an integer number (661183803).

Almost surely, 2^2203946005 is an apocalyptic number.

It is an amenable number.

2203946005 is a deficient number, since it is larger than the sum of its proper divisors (440789207).

2203946005 is an equidigital number, since it uses as much as digits as its factorization.

2203946005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440789206.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2203946005 is about 46946.2033076158. The cubic root of 2203946005 is about 1301.3685794278.

The spelling of 2203946005 in words is "two billion, two hundred three million, nine hundred forty-six thousand, five".