3221021222 has 8 divisors (see below), whose sum is σ = 4831869672. Its totient is φ = 1610398000.

The previous prime is 3221021203. The next prime is 3221021239. The reversal of 3221021222 is 2221201223.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3221021222.

It is a congruent 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, 14279 + ... + 81522.

It is an arithmetic number, because the mean of its divisors is an integer number (603983709).

Almost surely, 2^3221021222 is an apocalyptic number.

3221021222 is a deficient number, since it is larger than the sum of its proper divisors (1610848450).

3221021222 is a wasteful number, since it uses less digits than its factorization.

3221021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112614.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3221021222 is about 56754.0414596177. The cubic root of 3221021222 is about 1476.8323445707.

Adding to 3221021222 its reverse (2221201223), we get a palindrome (5442222445).

The spelling of 3221021222 in words is "three billion, two hundred twenty-one million, twenty-one thousand, two hundred twenty-two".