3220046356 has 72 divisors (see below), whose sum is σ = 6152256936. Its totient is φ = 1473500160.

The previous prime is 3220046351. The next prime is 3220046369. The reversal of 3220046356 is 6536400223.

It is a happy number.

3220046356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 184036356 + 3036010000 = 13566^2 + 55100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220046351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8110750 + ... + 8111146.

It is an arithmetic number, because the mean of its divisors is an integer number (85448013).

Almost surely, 2^3220046356 is an apocalyptic number.

It is an amenable number.

3220046356 is a deficient number, since it is larger than the sum of its proper divisors (2932210580).

3220046356 is a wasteful number, since it uses less digits than its factorization.

3220046356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 3220046356 is about 56745.4522935539. The cubic root of 3220046356 is about 1476.6833381105.

Adding to 3220046356 its reverse (6536400223), we get a palindrome (9756446579).

The spelling of 3220046356 in words is "three billion, two hundred twenty million, forty-six thousand, three hundred fifty-six".