3229072085 has 4 divisors (see below), whose sum is σ = 3874886508. Its totient is φ = 2583257664.

The previous prime is 3229072081. The next prime is 3229072109. The reversal of 3229072085 is 5802709223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5802709223 = 37 ⋅156829979.

It can be written as a sum of positive squares in 2 ways, for example, as 2537539876 + 691532209 = 50374^2 + 26297^2 .

It is a cyclic number.

It is not a de Polignac number, because 3229072085 - 2² = 3229072081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3229072081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322907204 + ... + 322907213.

It is an arithmetic number, because the mean of its divisors is an integer number (968721627).

Almost surely, 2^3229072085 is an apocalyptic number.

It is an amenable number.

3229072085 is a deficient number, since it is larger than the sum of its proper divisors (645814423).

3229072085 is an equidigital number, since it uses as much as digits as its factorization.

3229072085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645814422.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 3229072085 is about 56824.9248569675. The cubic root of 3229072085 is about 1478.0617561690.

The spelling of 3229072085 in words is "three billion, two hundred twenty-nine million, seventy-two thousand, eighty-five".