2722086 has 28 divisors (see below), whose sum is σ = 6125172. Its totient is φ = 906876.

The previous prime is 2722067. The next prime is 2722087. The reversal of 2722086 is 6802272.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722087) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 525 + ... + 2391.

2^2722086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2722086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3062586).

2722086 is an abundant number, since it is smaller than the sum of its proper divisors (3403086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2722086 is an equidigital number, since it uses as much as digits as its factorization.

2722086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887 (or 1872 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2722086 is about 1649.8745406848. The cubic root of 2722086 is about 139.6263163880.

The spelling of 2722086 in words is "two million, seven hundred twenty-two thousand, eighty-six".