2722155 has 16 divisors (see below), whose sum is σ = 4384800. Its totient is φ = 1442048.

The previous prime is 2722147. The next prime is 2722163. The reversal of 2722155 is 5512272.

2722155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2722147) and next prime (2722163).

It is a cyclic number.

It is not a de Polignac number, because 2722155 - 2³ = 2722147 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2071 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (274050).

2^2722155 is an apocalyptic number.

2722155 is a deficient number, since it is larger than the sum of its proper divisors (1662645).

2722155 is a wasteful number, since it uses less digits than its factorization.

2722155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230.

The product of its digits is 1400, while the sum is 24.

The square root of 2722155 is about 1649.8954512332. The cubic root of 2722155 is about 139.6274961370.

The spelling of 2722155 in words is "two million, seven hundred twenty-two thousand, one hundred fifty-five".