3222729 has 12 divisors (see below), whose sum is σ = 4805632. Its totient is φ = 2079000.

The previous prime is 3222727. The next prime is 3222763. The reversal of 3222729 is 9272223.

It is not a de Polignac number, because 3222729 - 2¹ = 3222727 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3222727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5497 + ... + 6054.

Almost surely, 2^3222729 is an apocalyptic number.

It is an amenable number.

3222729 is a deficient number, since it is larger than the sum of its proper divisors (1582903).

3222729 is a wasteful number, since it uses less digits than its factorization.

3222729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11588 (or 11585 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 3222729 is about 1795.1960895679. The cubic root of 3222729 is about 147.7093302820.

The spelling of 3222729 in words is "three million, two hundred twenty-two thousand, seven hundred twenty-nine".