2203309973 has 4 divisors (see below), whose sum is σ = 2332916460. Its totient is φ = 2073703488.

The previous prime is 2203309967. The next prime is 2203309987. The reversal of 2203309973 is 3799033022.

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 1337950084 + 865359889 = 36578^2 + 29417^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203309973 - 2²² = 2199115669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203309993) 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 3 ways as a sum of consecutive naturals, for example, 64803218 + ... + 64803251.

It is an arithmetic number, because the mean of its divisors is an integer number (583229115).

Almost surely, 2^2203309973 is an apocalyptic number.

It is an amenable number.

2203309973 is a deficient number, since it is larger than the sum of its proper divisors (129606487).

2203309973 is a wasteful number, since it uses less digits than its factorization.

2203309973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129606486.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 2203309973 is about 46939.4287672954. The cubic root of 2203309973 is about 1301.2433810044.

The spelling of 2203309973 in words is "two billion, two hundred three million, three hundred nine thousand, nine hundred seventy-three".