4022401023221 has 8 divisors (see below), whose sum is σ = 4597073492544. Its totient is φ = 3447739491840.

The previous prime is 4022401023149. The next prime is 4022401023239. The reversal of 4022401023221 is 1223201042204.

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

It is not a de Polignac number, because 4022401023221 - 2³⁴ = 4005221154037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022401073221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1930700 + ... + 3431093.

It is an arithmetic number, because the mean of its divisors is an integer number (574634186568).

Almost surely, 2^{4022401023221} is an apocalyptic number.

It is an amenable number.

4022401023221 is a deficient number, since it is larger than the sum of its proper divisors (574672469323).

4022401023221 is a wasteful number, since it uses less digits than its factorization.

4022401023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468971.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4022401023221 its reverse (1223201042204), we get a palindrome (5245602065425).

The spelling of 4022401023221 in words is "four trillion, twenty-two billion, four hundred one million, twenty-three thousand, two hundred twenty-one".