2203211345 has 16 divisors (see below), whose sum is σ = 2767988160. Its totient is φ = 1681278144.

The previous prime is 2203211341. The next prime is 2203211369. The reversal of 2203211345 is 5431123022.

It is a cyclic number.

It is not a de Polignac number, because 2203211345 - 2² = 2203211341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2203211345.

It is not an unprimeable number, because it can be changed into a prime (2203211341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79499 + ... + 103568.

It is an arithmetic number, because the mean of its divisors is an integer number (172999260).

Almost surely, 2^2203211345 is an apocalyptic number.

It is an amenable number.

2203211345 is a deficient number, since it is larger than the sum of its proper divisors (564776815).

2203211345 is a wasteful number, since it uses less digits than its factorization.

2203211345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183184.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2203211345 is about 46938.3781675507. The cubic root of 2203211345 is about 1301.2239646189.

Adding to 2203211345 its reverse (5431123022), we get a palindrome (7634334367).

The spelling of 2203211345 in words is "two billion, two hundred three million, two hundred eleven thousand, three hundred forty-five".