422043040221 has 16 divisors (see below), whose sum is σ = 618361674048. Its totient is φ = 253916624000.

The previous prime is 422043040217. The next prime is 422043040231. The reversal of 422043040221 is 122040340224.

It is a cyclic number.

It is not a de Polignac number, because 422043040221 - 2² = 422043040217 is a prime.

It is a super-3 number, since 3×422043040221³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422043040191 and 422043040200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422043040231) 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, 46671330 + ... + 46680371.

It is an arithmetic number, because the mean of its divisors is an integer number (38647604628).

Almost surely, 2^422043040221 is an apocalyptic number.

It is an amenable number.

422043040221 is a deficient number, since it is larger than the sum of its proper divisors (196318633827).

422043040221 is a wasteful number, since it uses less digits than its factorization.

422043040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93351852.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 422043040221 its reverse (122040340224), we get a palindrome (544083380445).

The spelling of 422043040221 in words is "four hundred twenty-two billion, forty-three million, forty thousand, two hundred twenty-one".