3221212002 has 16 divisors (see below), whose sum is σ = 6448566432. Its totient is φ = 1072713600.

The previous prime is 3221211991. The next prime is 3221212019. The reversal of 3221212002 is 2002121223.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249103 + ... + 261714.

It is an arithmetic number, because the mean of its divisors is an integer number (403035402).

Almost surely, 2^3221212002 is an apocalyptic number.

3221212002 is an abundant number, since it is smaller than the sum of its proper divisors (3227354430).

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

3221212002 is a wasteful number, since it uses less digits than its factorization.

3221212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511873.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3221212002 is about 56755.7221960923. The cubic root of 3221212002 is about 1476.8615014221.

Adding to 3221212002 its reverse (2002121223), we get a palindrome (5223333225).

The spelling of 3221212002 in words is "three billion, two hundred twenty-one million, two hundred twelve thousand, two".