2722667 has 4 divisors (see below), whose sum is σ = 2726136. Its totient is φ = 2719200.

The previous prime is 2722661. The next prime is 2722691. The reversal of 2722667 is 7662272.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2722667 - 2¹² = 2718571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 2334.

It is an arithmetic number, because the mean of its divisors is an integer number (681534).

2^2722667 is an apocalyptic number.

2722667 is a deficient number, since it is larger than the sum of its proper divisors (3469).

2722667 is a wasteful number, since it uses less digits than its factorization.

2722667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468.

The product of its digits is 14112, while the sum is 32.

The square root of 2722667 is about 1650.0506052846. The cubic root of 2722667 is about 139.6362495935.

The spelling of 2722667 in words is "two million, seven hundred twenty-two thousand, six hundred sixty-seven".