3224781 has 24 divisors (see below), whose sum is σ = 5638464. Its totient is φ = 1733760.

The previous prime is 3224743. The next prime is 3224783. The reversal of 3224781 is 1874223.

3224781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3224781 - 2¹⁰ = 3223757 is a prime.

It is a super-2 number, since 2×3224781² = 20798424995922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3224783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (234936).

Almost surely, 2^3224781 is an apocalyptic number.

It is an amenable number.

3224781 is a deficient number, since it is larger than the sum of its proper divisors (2413683).

3224781 is a wasteful number, since it uses less digits than its factorization.

3224781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3041 (or 3038 counting only the distinct ones).

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

The square root of 3224781 is about 1795.7675239295. The cubic root of 3224781 is about 147.7406738253.

It can be divided in two parts, 3224 and 781, that added together give a triangular number (4005 = T₈₉).

The spelling of 3224781 in words is "three million, two hundred twenty-four thousand, seven hundred eighty-one".