3221225466 has 32 divisors (see below), whose sum is σ = 6479066880. Its totient is φ = 1067652864.

The previous prime is 3221225461. The next prime is 3221225473. The reversal of 3221225466 is 6645221223.

It is a happy number.

3221225466 is nontrivially palindromic in base 8.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3221225461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1540950 + ... + 1543038.

It is an arithmetic number, because the mean of its divisors is an integer number (202470840).

Almost surely, 2^3221225466 is an apocalyptic number.

3221225466 is an abundant number, since it is smaller than the sum of its proper divisors (3257841414).

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

3221225466 is a wasteful number, since it uses less digits than its factorization.

3221225466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430.

The product of its digits is 34560, while the sum is 33.

The square root of 3221225466 is about 56755.8408095590. The cubic root of 3221225466 is about 1476.8635590778.

Adding to 3221225466 its reverse (6645221223), we get a palindrome (9866446689).

The spelling of 3221225466 in words is "three billion, two hundred twenty-one million, two hundred twenty-five thousand, four hundred sixty-six".