221222041441 has 8 divisors (see below), whose sum is σ = 239158964480. Its totient is φ = 203914484208.

The previous prime is 221222041429. The next prime is 221222041451. The reversal of 221222041441 is 144140222122.

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

It is a cyclic number.

It is not a de Polignac number, because 221222041441 - 2⁹ = 221222040929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221222041451) 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, 157340721 + ... + 157342126.

It is an arithmetic number, because the mean of its divisors is an integer number (29894870560).

Almost surely, 2^221222041441 is an apocalyptic number.

It is an amenable number.

221222041441 is a deficient number, since it is larger than the sum of its proper divisors (17936923039).

221222041441 is a wasteful number, since it uses less digits than its factorization.

221222041441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314682903.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 221222041441 its reverse (144140222122), we get a palindrome (365362263563).

The spelling of 221222041441 in words is "two hundred twenty-one billion, two hundred twenty-two million, forty-one thousand, four hundred forty-one".