3322781 has 12 divisors (see below), whose sum is σ = 4175136. Its totient is φ = 2588520.

The previous prime is 3322771. The next prime is 3322783. The reversal of 3322781 is 1872233.

It is not a de Polignac number, because 3322781 - 2¹⁰ = 3321757 is a prime.

It is a super-2 number, since 2×3322781² = 22081747147922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3322781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3322783) 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 11 ways as a sum of consecutive naturals, for example, 1115 + ... + 2808.

It is an arithmetic number, because the mean of its divisors is an integer number (347928).

Almost surely, 2^3322781 is an apocalyptic number.

It is an amenable number.

3322781 is a deficient number, since it is larger than the sum of its proper divisors (852355).

3322781 is a wasteful number, since it uses less digits than its factorization.

3322781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952 (or 3941 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 3322781 is about 1822.8496921030. The cubic root of 3322781 is about 149.2223606657. Note that the first 3 decimals are identical.

It can be divided in two parts, 332 and 2781, that added together give a palindrome (3113).

The spelling of 3322781 in words is "three million, three hundred twenty-two thousand, seven hundred eighty-one".