3221122002 has 64 divisors (see below), whose sum is σ = 7603368960. Its totient is φ = 890616384.

The previous prime is 3221121979. The next prime is 3221122013. The reversal of 3221122002 is 2002211223.

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 31 ways as a sum of consecutive naturals, for example, 188673 + ... + 205035.

It is an arithmetic number, because the mean of its divisors is an integer number (118802640).

Almost surely, 2^3221122002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221122002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801684480).

3221122002 is an abundant number, since it is smaller than the sum of its proper divisors (4382246958).

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

3221122002 is a wasteful number, since it uses less digits than its factorization.

3221122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16527.

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

The square root of 3221122002 is about 56754.9293189587. The cubic root of 3221122002 is about 1476.8477468920.

Adding to 3221122002 its reverse (2002211223), we get a palindrome (5223333225).

The spelling of 3221122002 in words is "three billion, two hundred twenty-one million, one hundred twenty-two thousand, two".