3221221002 has 8 divisors (see below), whose sum is σ = 6442442016. Its totient is φ = 1073740332.

The previous prime is 3221220997. The next prime is 3221221019. The reversal of 3221221002 is 2001221223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

3221221002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268435078 + ... + 268435089.

It is an arithmetic number, because the mean of its divisors is an integer number (805305252).

Almost surely, 2^3221221002 is an apocalyptic number.

3221221002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3221221002 is a wasteful number, since it uses less digits than its factorization.

3221221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536870172.

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

The square root of 3221221002 is about 56755.8014831964. The cubic root of 3221221002 is about 1476.8628768611.

Adding to 3221221002 its reverse (2001221223), we get a palindrome (5222442225).

The spelling of 3221221002 in words is "three billion, two hundred twenty-one million, two hundred twenty-one thousand, two".