3256666224 has 120 divisors (see below), whose sum is σ = 9805153680. Its totient is φ = 928714752.

The previous prime is 3256666223. The next prime is 3256666289. The reversal of 3256666224 is 4226666523.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3256666223) 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, 1723072 + ... + 1724960.

It is an arithmetic number, because the mean of its divisors is an integer number (81709614).

Almost surely, 2^3256666224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3256666224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4902576840).

3256666224 is an abundant number, since it is smaller than the sum of its proper divisors (6548487456).

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

3256666224 is a wasteful number, since it uses less digits than its factorization.

3256666224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647 (or 2634 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The square root of 3256666224 is about 57067.2079569344. The cubic root of 3256666224 is about 1482.2600944752.

It can be divided in two parts, 32566 and 66224, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 3256666224 in words is "three billion, two hundred fifty-six million, six hundred sixty-six thousand, two hundred twenty-four".