222320212242443 has 4 divisors (see below), whose sum is σ = 254080242562800. Its totient is φ = 190560181922088.

The previous prime is 222320212242379. The next prime is 222320212242461. The reversal of 222320212242443 is 344242212023222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222320212242443 - 2⁶ = 222320212242379 is a prime.

It is a super-2 number, since 2×222320212242443² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222320212242463) 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, 15880015160168 + ... + 15880015160181.

It is an arithmetic number, because the mean of its divisors is an integer number (63520060640700).

Almost surely, 2^{222320212242443} is an apocalyptic number.

222320212242443 is a deficient number, since it is larger than the sum of its proper divisors (31760030320357).

222320212242443 is an equidigital number, since it uses as much as digits as its factorization.

222320212242443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31760030320356.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 222320212242443 its reverse (344242212023222), we get a palindrome (566562424265665).

The spelling of 222320212242443 in words is "two hundred twenty-two trillion, three hundred twenty billion, two hundred twelve million, two hundred forty-two thousand, four hundred forty-three".