3229390681 has 4 divisors (see below), whose sum is σ = 3522971664. Its totient is φ = 2935809700.

The previous prime is 3229390679. The next prime is 3229390751. The reversal of 3229390681 is 1860939223.

3229390681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3229390681 - 2¹ = 3229390679 is a prime.

It is a super-2 number, since 2×3229390681² = 20857928341059287522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3229390631) 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, 146790475 + ... + 146790496.

It is an arithmetic number, because the mean of its divisors is an integer number (880742916).

Almost surely, 2^3229390681 is an apocalyptic number.

It is an amenable number.

3229390681 is a deficient number, since it is larger than the sum of its proper divisors (293580983).

3229390681 is a wasteful number, since it uses less digits than its factorization.

3229390681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293580982.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 3229390681 is about 56827.7280999338. The cubic root of 3229390681 is about 1478.1103654975.

The spelling of 3229390681 in words is "three billion, two hundred twenty-nine million, three hundred ninety thousand, six hundred eighty-one".