4022221321 has 8 divisors (see below), whose sum is σ = 4234580000. Its totient is φ = 3809928960.

The previous prime is 4022221309. The next prime is 4022221331. The reversal of 4022221321 is 1231222204.

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

It is a cyclic number.

It is not a de Polignac number, because 4022221321 - 2²⁷ = 3888003593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4022221331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151930 + ... + 176428.

It is an arithmetic number, because the mean of its divisors is an integer number (529322500).

Almost surely, 2^4022221321 is an apocalyptic number.

It is an amenable number.

4022221321 is a deficient number, since it is larger than the sum of its proper divisors (212358679).

4022221321 is a wasteful number, since it uses less digits than its factorization.

4022221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33159.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4022221321 is about 63420.9848630562. The cubic root of 4022221321 is about 1590.3351377462.

Adding to 4022221321 its reverse (1231222204), we get a palindrome (5253443525).

The spelling of 4022221321 in words is "four billion, twenty-two million, two hundred twenty-one thousand, three hundred twenty-one".