2722604 has 6 divisors (see below), whose sum is σ = 4764564. Its totient is φ = 1361300.

The previous prime is 2722591. The next prime is 2722619. The reversal of 2722604 is 4062272.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 2722604.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340322 + ... + 340329.

It is an arithmetic number, because the mean of its divisors is an integer number (794094).

2^2722604 is an apocalyptic number.

It is an amenable number.

2722604 is a deficient number, since it is larger than the sum of its proper divisors (2041960).

2722604 is a wasteful number, since it uses less digits than its factorization.

2722604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680655 (or 680653 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2722604 is about 1650.0315148505. The cubic root of 2722604 is about 139.6351725673.

Adding to 2722604 its reverse (4062272), we get a palindrome (6784876).

The spelling of 2722604 in words is "two million, seven hundred twenty-two thousand, six hundred four".