2722423 has 8 divisors (see below), whose sum is σ = 3050640. Its totient is φ = 2407680.

The previous prime is 2722417. The next prime is 2722427. The reversal of 2722423 is 3242272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2722423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2722394 and 2722403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2938 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (381330).

2^2722423 is an apocalyptic number.

2722423 is a deficient number, since it is larger than the sum of its proper divisors (328217).

2722423 is a wasteful number, since it uses less digits than its factorization.

2722423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737.

The product of its digits is 1344, while the sum is 22.

The square root of 2722423 is about 1649.9766665017. The cubic root of 2722423 is about 139.6320781613.

Adding to 2722423 its reverse (3242272), we get a palindrome (5964695).

The spelling of 2722423 in words is "two million, seven hundred twenty-two thousand, four hundred twenty-three".