3229318656 has 120 divisors (see below), whose sum is σ = 9353984640. Its totient is φ = 1072521216.

The previous prime is 3229318649. The next prime is 3229318663. The reversal of 3229318656 is 6568139223.

3229318656 is a `hidden beast` number, since 322 + 9 + 318 + 6 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (3229318649) and next prime (3229318663).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1441185 + ... + 1443423.

It is an arithmetic number, because the mean of its divisors is an integer number (77949872).

Almost surely, 2^3229318656 is an apocalyptic number.

3229318656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3229318656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4676992320).

3229318656 is an abundant number, since it is smaller than the sum of its proper divisors (6124665984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3229318656 is a wasteful number, since it uses less digits than its factorization.

3229318656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576 (or 2557 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 3229318656 is about 56827.0943828734. The cubic root of 3229318656 is about 1478.0993766659.

The spelling of 3229318656 in words is "three billion, two hundred twenty-nine million, three hundred eighteen thousand, six hundred fifty-six".