2086722 has 40 divisors (see below), whose sum is σ = 5105232. Its totient is φ = 631800.

The previous prime is 2086697. The next prime is 2086723. The reversal of 2086722 is 2276802.

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

It is not an unprimeable number, because it can be changed into a prime (2086723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1197 + ... + 2367.

2^2086722 is an apocalyptic number.

2086722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2086722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2552616).

2086722 is an abundant number, since it is smaller than the sum of its proper divisors (3018510).

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

2086722 is a wasteful number, since it uses less digits than its factorization.

2086722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1187 counting only the distinct ones).

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

The square root of 2086722 is about 1444.5490645873. The cubic root of 2086722 is about 127.7874483474.

The spelling of 2086722 in words is "two million, eighty-six thousand, seven hundred twenty-two".