32225729 has 8 divisors (see below), whose sum is σ = 33983040. Its totient is φ = 30474576.

The previous prime is 32225719. The next prime is 32225731. The reversal of 32225729 is 92752223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32225729 - 2¹² = 32221633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32225695 and 32225704.

It is not an unprimeable number, because it can be changed into a prime (32225719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12647 + ... + 14979.

It is an arithmetic number, because the mean of its divisors is an integer number (4247880).

Almost surely, 2^32225729 is an apocalyptic number.

It is an amenable number.

32225729 is a deficient number, since it is larger than the sum of its proper divisors (1757311).

32225729 is a wasteful number, since it uses less digits than its factorization.

32225729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079.

The product of its digits is 15120, while the sum is 32.

The square root of 32225729 is about 5676.7710011943. The cubic root of 32225729 is about 318.2249670586.

The spelling of 32225729 in words is "thirty-two million, two hundred twenty-five thousand, seven hundred twenty-nine".