4022040204221 has 16 divisors (see below), whose sum is σ = 4520927034624. Its totient is φ = 3550308689664.

The previous prime is 4022040204197. The next prime is 4022040204239. The reversal of 4022040204221 is 1224020402204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4022040204221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022040204271) 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, 598076 + ... + 2898581.

It is an arithmetic number, because the mean of its divisors is an integer number (282557939664).

Almost surely, 2^{4022040204221} is an apocalyptic number.

It is an amenable number.

4022040204221 is a deficient number, since it is larger than the sum of its proper divisors (498886830403).

4022040204221 is a wasteful number, since it uses less digits than its factorization.

4022040204221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500540.

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

Adding to 4022040204221 its reverse (1224020402204), we get a palindrome (5246060606425).

The spelling of 4022040204221 in words is "four trillion, twenty-two billion, forty million, two hundred four thousand, two hundred twenty-one".