4022040222221 has 16 divisors (see below), whose sum is σ = 4602869246976. Its totient is φ = 3442775723136.

The previous prime is 4022040222217. The next prime is 4022040222227. The reversal of 4022040222221 is 1222220402204.

It is a cyclic number.

It is not a de Polignac number, because 4022040222221 - 2² = 4022040222217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022040222227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32374595 + ... + 32498591.

It is an arithmetic number, because the mean of its divisors is an integer number (287679327936).

Almost surely, 2^{4022040222221} is an apocalyptic number.

It is an amenable number.

4022040222221 is a deficient number, since it is larger than the sum of its proper divisors (580829024755).

4022040222221 is a wasteful number, since it uses less digits than its factorization.

4022040222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130268.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 4022040222221 its reverse (1222220402204), we get a palindrome (5244260624425).

The spelling of 4022040222221 in words is "four trillion, twenty-two billion, forty million, two hundred twenty-two thousand, two hundred twenty-one".