3229725 has 12 divisors (see below), whose sum is σ = 5339936. Its totient is φ = 1722480.

The previous prime is 3229703. The next prime is 3229741. The reversal of 3229725 is 5279223.

It is a happy number.

It is not a de Polignac number, because 3229725 - 2¹⁵ = 3196957 is a prime.

It is a super-2 number, since 2×3229725² = 20862247151250, which contains 22 as substring.

It is a Duffinian number.

3229725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3229692 and 3229701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21457 + ... + 21606.

Almost surely, 2^3229725 is an apocalyptic number.

It is an amenable number.

3229725 is a deficient number, since it is larger than the sum of its proper divisors (2110211).

3229725 is a wasteful number, since it uses less digits than its factorization.

3229725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43076 (or 43071 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 3229725 is about 1797.1435668861. The cubic root of 3229725 is about 147.8161370303.

The spelling of 3229725 in words is "three million, two hundred twenty-nine thousand, seven hundred twenty-five".