4122423330221 has 24 divisors (see below), whose sum is σ = 5268190438080. Its totient is φ = 3150618066432.

The previous prime is 4122423330217. The next prime is 4122423330247. The reversal of 4122423330221 is 1220333242214.

It is not a de Polignac number, because 4122423330221 - 2² = 4122423330217 is a prime.

It is a super-2 number, since 2×4122423330221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122423330251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53587280 + ... + 53664153.

It is an arithmetic number, because the mean of its divisors is an integer number (219507934920).

Almost surely, 2^{4122423330221} is an apocalyptic number.

It is an amenable number.

4122423330221 is a deficient number, since it is larger than the sum of its proper divisors (1145767107859).

4122423330221 is a wasteful number, since it uses less digits than its factorization.

4122423330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107251493 (or 107251476 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4122423330221 its reverse (1220333242214), we get a palindrome (5342756572435).

The spelling of 4122423330221 in words is "four trillion, one hundred twenty-two billion, four hundred twenty-three million, three hundred thirty thousand, two hundred twenty-one".