3222221004 has 36 divisors (see below), whose sum is σ = 8624181384. Its totient is φ = 1010892672.

The previous prime is 3222220999. The next prime is 3222221029. The reversal of 3222221004 is 4001222223.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2631922 + ... + 2633145.

It is an arithmetic number, because the mean of its divisors is an integer number (239560594).

Almost surely, 2^3222221004 is an apocalyptic number.

3222221004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3222221004 is an abundant number, since it is smaller than the sum of its proper divisors (5401960380).

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

3222221004 is a wasteful number, since it uses less digits than its factorization.

3222221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265094 (or 5265089 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3222221004 is about 56764.6104892828. The cubic root of 3222221004 is about 1477.0156877599.

Adding to 3222221004 its reverse (4001222223), we get a palindrome (7223443227).

The spelling of 3222221004 in words is "three billion, two hundred twenty-two million, two hundred twenty-one thousand, four".