2681122 has 4 divisors (see below), whose sum is σ = 4021686. Its totient is φ = 1340560.

The previous prime is 2681117. The next prime is 2681141. The reversal of 2681122 is 2211862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1490841 + 1190281 = 1221^2 + 1091^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2681093 and 2681102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670279 + ... + 670282.

2^2681122 is an apocalyptic number.

2681122 is a deficient number, since it is larger than the sum of its proper divisors (1340564).

2681122 is a wasteful number, since it uses less digits than its factorization.

2681122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340563.

The product of its digits is 384, while the sum is 22.

The square root of 2681122 is about 1637.4132038065. The cubic root of 2681122 is about 138.9223726796.

Adding to 2681122 its reverse (2211862), we get a palindrome (4892984).

The spelling of 2681122 in words is "two million, six hundred eighty-one thousand, one hundred twenty-two".