3221251002 has 24 divisors (see below), whose sum is σ = 7141689984. Its totient is φ = 1048779144.

The previous prime is 3221250979. The next prime is 3221251049. The reversal of 3221251002 is 2001521223.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2080138 + ... + 2081685.

It is an arithmetic number, because the mean of its divisors is an integer number (297570416).

Almost surely, 2^3221251002 is an apocalyptic number.

3221251002 is an abundant number, since it is smaller than the sum of its proper divisors (3920438982).

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

3221251002 is a wasteful number, since it uses less digits than its factorization.

3221251002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161874 (or 4161871 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3221251002 is about 56756.0657727436. The cubic root of 3221251002 is about 1476.8674616390.

Adding to 3221251002 its reverse (2001521223), we get a palindrome (5222772225).

The spelling of 3221251002 in words is "three billion, two hundred twenty-one million, two hundred fifty-one thousand, two".