2201013 has 20 divisors (see below), whose sum is σ = 3404940. Its totient is φ = 1415232.

The previous prime is 2200997. The next prime is 2201033. The reversal of 2201013 is 3101022.

It is a happy number.

2201013 is nontrivially palindromic in base 11.

2201013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 544644 + 1656369 = 738^2 + 1287^2 .

It is not a de Polignac number, because 2201013 - 2⁴ = 2200997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2200986 and 2201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1881 + ... + 2817.

It is an arithmetic number, because the mean of its divisors is an integer number (170247).

2^2201013 is an apocalyptic number.

It is an amenable number.

2201013 is a deficient number, since it is larger than the sum of its proper divisors (1203927).

2201013 is an equidigital number, since it uses as much as digits as its factorization.

2201013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2201013 is about 1483.5811403493. The cubic root of 2201013 is about 130.0791037302.

Adding to 2201013 its reverse (3101022), we get a palindrome (5302035).

Subtracting 2201013 from its reverse (3101022), we obtain a palindrome (900009).

The spelling of 2201013 in words is "two million, two hundred one thousand, thirteen".