3223647 has 12 divisors (see below), whose sum is σ = 5321680. Its totient is φ = 1842048.

The previous prime is 3223631. The next prime is 3223663. The reversal of 3223647 is 7463223.

3223647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3223631) and next prime (3223663).

It is not a de Polignac number, because 3223647 - 2⁴ = 3223631 is a prime.

It is a d-powerful number, because it can be written as 3² + 2¹¹ + 2²¹ + 3¹⁰ + 6 + 4¹⁰ + 7⁵ .

3223647 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3223647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223687) 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 11 ways as a sum of consecutive naturals, for example, 25522 + ... + 25647.

Almost surely, 2^3223647 is an apocalyptic number.

3223647 is a deficient number, since it is larger than the sum of its proper divisors (2098033).

3223647 is a wasteful number, since it uses less digits than its factorization.

3223647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51182 (or 51179 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 3223647 is about 1795.4517537378. The cubic root of 3223647 is about 147.7233540377.

It can be divided in two parts, 322 and 3647, that added together give a square (3969 = 63²).

The spelling of 3223647 in words is "three million, two hundred twenty-three thousand, six hundred forty-seven".