2722013 has 4 divisors (see below), whose sum is σ = 3110880. Its totient is φ = 2333148.

The previous prime is 2722007. The next prime is 2722021. The reversal of 2722013 is 3102272.

2722013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2722013 - 2¹⁴ = 2705629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2721982 and 2722000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722033) 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 3 ways as a sum of consecutive naturals, for example, 194423 + ... + 194436.

It is an arithmetic number, because the mean of its divisors is an integer number (777720).

2^2722013 is an apocalyptic number.

It is an amenable number.

2722013 is a deficient number, since it is larger than the sum of its proper divisors (388867).

2722013 is an equidigital number, since it uses as much as digits as its factorization.

2722013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388866.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 2722013 is about 1649.8524176423. The cubic root of 2722013 is about 139.6250682261.

Adding to 2722013 its reverse (3102272), we get a palindrome (5824285).

The spelling of 2722013 in words is "two million, seven hundred twenty-two thousand, thirteen".