2722371 has 4 divisors (see below), whose sum is σ = 3629832. Its totient is φ = 1814912.

The previous prime is 2722367. The next prime is 2722387. The reversal of 2722371 is 1732272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2722371 - 2² = 2722367 is a prime.

It is a super-2 number, since 2×2722371² = 14822607723282, which contains 22 as substring.

It is a D-number.

2722371 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2722351) 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, 453726 + ... + 453731.

It is an arithmetic number, because the mean of its divisors is an integer number (907458).

2^2722371 is an apocalyptic number.

2722371 is a deficient number, since it is larger than the sum of its proper divisors (907461).

2722371 is an equidigital number, since it uses as much as digits as its factorization.

2722371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907460.

The product of its digits is 1176, while the sum is 24.

The square root of 2722371 is about 1649.9609086278. The cubic root of 2722371 is about 139.6311891353.

Subtracting from 2722371 its reverse (1732272), we obtain a palindrome (990099).

The spelling of 2722371 in words is "two million, seven hundred twenty-two thousand, three hundred seventy-one".