3223720289 has 8 divisors (see below), whose sum is σ = 3255190848. Its totient is φ = 3192274800.

The previous prime is 3223720267. The next prime is 3223720309. The reversal of 3223720289 is 9820273223.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3223720289 is a prime.

It is a super-3 number, since 3×3223720289³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3223750289) 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, 348644 + ... + 357770.

It is an arithmetic number, because the mean of its divisors is an integer number (406898856).

Almost surely, 2^3223720289 is an apocalyptic number.

It is an amenable number.

3223720289 is a deficient number, since it is larger than the sum of its proper divisors (31470559).

3223720289 is a wasteful number, since it uses less digits than its factorization.

3223720289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12535.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 3223720289 is about 56777.8151129471. The cubic root of 3223720289 is about 1477.2447351665.

The spelling of 3223720289 in words is "three billion, two hundred twenty-three million, seven hundred twenty thousand, two hundred eighty-nine".