221222323141 has 8 divisors (see below), whose sum is σ = 225407175840. Its totient is φ = 217037872272.

The previous prime is 221222323123. The next prime is 221222323169. The reversal of 221222323141 is 141323222122.

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 221222323141 - 2¹⁷ = 221222192069 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 (221222323111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158906 + ... + 1336228.

It is an arithmetic number, because the mean of its divisors is an integer number (28175896980).

Almost surely, 2^221222323141 is an apocalyptic number.

It is an amenable number.

221222323141 is a deficient number, since it is larger than the sum of its proper divisors (4184852699).

221222323141 is a wasteful number, since it uses less digits than its factorization.

221222323141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200915.

The product of its digits is 2304, while the sum is 25.

Adding to 221222323141 its reverse (141323222122), we get a palindrome (362545545263).

The spelling of 221222323141 in words is "two hundred twenty-one billion, two hundred twenty-two million, three hundred twenty-three thousand, one hundred forty-one".