222331221241 has 4 divisors (see below), whose sum is σ = 222640444800. Its totient is φ = 222021997684.

The previous prime is 222331221239. The next prime is 222331221247. The reversal of 222331221241 is 142122133222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 142122133222 = 2 ⋅71061066611.

It is a cyclic number.

It is not a de Polignac number, because 222331221241 - 2¹ = 222331221239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222331221247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154610701 + ... + 154612138.

It is an arithmetic number, because the mean of its divisors is an integer number (55660111200).

Almost surely, 2^222331221241 is an apocalyptic number.

It is an amenable number.

222331221241 is a deficient number, since it is larger than the sum of its proper divisors (309223559).

222331221241 is an equidigital number, since it uses as much as digits as its factorization.

222331221241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309223558.

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

Adding to 222331221241 its reverse (142122133222), we get a palindrome (364453354463).

The spelling of 222331221241 in words is "two hundred twenty-two billion, three hundred thirty-one million, two hundred twenty-one thousand, two hundred forty-one".