2681922 has 16 divisors (see below), whose sum is σ = 5381280. Its totient is φ = 891072.

The previous prime is 2681897. The next prime is 2681927. The reversal of 2681922 is 2291862.

It is a super-2 number, since 2×2681922² = 14385411228168, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 6⁴ + 8 + 1 + 9⁵ + 2¹⁹ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2681922.

It is not an unprimeable number, because it can be changed into a prime (2681927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (336330).

2^2681922 is an apocalyptic number.

2681922 is an abundant number, since it is smaller than the sum of its proper divisors (2699358).

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

2681922 is a wasteful number, since it uses less digits than its factorization.

2681922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457.

The product of its digits is 3456, while the sum is 30.

The square root of 2681922 is about 1637.6574733442. The cubic root of 2681922 is about 138.9361886424.

The spelling of 2681922 in words is "two million, six hundred eighty-one thousand, nine hundred twenty-two".