3122842 has 4 divisors (see below), whose sum is σ = 4684266. Its totient is φ = 1561420.

The previous prime is 3122827. The next prime is 3122851. The reversal of 3122842 is 2482213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2482213 = 223 ⋅11131.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 229441 = 1701^2 + 479^2 .

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 an unprimeable number.

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 as a sum of consecutive naturals, namely, 780709 + ... + 780712.

Almost surely, 2^3122842 is an apocalyptic number.

3122842 is a deficient number, since it is larger than the sum of its proper divisors (1561424).

3122842 is a wasteful number, since it uses less digits than its factorization.

3122842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561423.

The product of its digits is 768, while the sum is 22.

The square root of 3122842 is about 1767.1564729814. The cubic root of 3122842 is about 146.1672256663.

The spelling of 3122842 in words is "three million, one hundred twenty-two thousand, eight hundred forty-two".