2722915 has 16 divisors (see below), whose sum is σ = 3554208. Its totient is φ = 1990656.

The previous prime is 2722913. The next prime is 2722919. The reversal of 2722915 is 5192272.

It is a 13-Lehmer number, since φ(2722915) divides (2722915-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 2722915 - 2¹ = 2722913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10467 + ... + 10723.

It is an arithmetic number, because the mean of its divisors is an integer number (222138).

2^2722915 is an apocalyptic number.

2722915 is a deficient number, since it is larger than the sum of its proper divisors (831293).

2722915 is a wasteful number, since it uses less digits than its factorization.

2722915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 2520, while the sum is 28.

The square root of 2722915 is about 1650.1257527837. The cubic root of 2722915 is about 139.6404891545.

The spelling of 2722915 in words is "two million, seven hundred twenty-two thousand, nine hundred fifteen".