2201913 has 18 divisors (see below), whose sum is σ = 3700554. Its totient is φ = 1257984.

The previous prime is 2201911. The next prime is 2201921. The reversal of 2201913 is 3191022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1750329 + 451584 = 1323^2 + 672^2 .

It is not a de Polignac number, because 2201913 - 2¹ = 2201911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201911) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2056 + ... + 2937.

2^2201913 is an apocalyptic number.

It is an amenable number.

2201913 is a deficient number, since it is larger than the sum of its proper divisors (1498641).

2201913 is a wasteful number, since it uses less digits than its factorization.

2201913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5013 (or 5003 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2201913 is about 1483.8844294621. The cubic root of 2201913 is about 130.0968312099.

Adding to 2201913 its reverse (3191022), we get a palindrome (5392935).

The spelling of 2201913 in words is "two million, two hundred one thousand, nine hundred thirteen".