3223240666 has 16 divisors (see below), whose sum is σ = 4967101440. Its totient is φ = 1567767520.

The previous prime is 3223240663. The next prime is 3223240687. The reversal of 3223240666 is 6660423223.

It is a super-2 number, since 2×3223240666² = 20778560781912247112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3223240663) 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, 28186 + ... + 85093.

It is an arithmetic number, because the mean of its divisors is an integer number (310443840).

Almost surely, 2^3223240666 is an apocalyptic number.

3223240666 is a deficient number, since it is larger than the sum of its proper divisors (1743860774).

3223240666 is a wasteful number, since it uses less digits than its factorization.

3223240666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113669.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 3223240666 is about 56773.5912727035. The cubic root of 3223240666 is about 1477.1714703639.

Adding to 3223240666 its reverse (6660423223), we get a palindrome (9883663889).

The spelling of 3223240666 in words is "three billion, two hundred twenty-three million, two hundred forty thousand, six hundred sixty-six".