3221001004 has 12 divisors (see below), whose sum is σ = 6070348144. Its totient is φ = 1486615824.

The previous prime is 3221000969. The next prime is 3221001013. The reversal of 3221001004 is 4001001223.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 30971112 + ... + 30971215.

Almost surely, 2^3221001004 is an apocalyptic number.

It is an amenable number.

3221001004 is a deficient number, since it is larger than the sum of its proper divisors (2849347140).

3221001004 is a wasteful number, since it uses less digits than its factorization.

3221001004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61942344 (or 61942342 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3221001004 is about 56753.8633398644. The cubic root of 3221001004 is about 1476.8292545922.

Adding to 3221001004 its reverse (4001001223), we get a palindrome (7222002227).

The spelling of 3221001004 in words is "three billion, two hundred twenty-one million, one thousand, four".