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222232322231 = 17118271105309

222232322231 has 8 divisors (see below), whose sum is σ = 235324920240. Its totient is φ = 209141958528.

The previous prime is 222232322227. The next prime is 222232322239. The reversal of 222232322231 is 132223232222.

222232322231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222232322231 - 22 = 222232322227 is a prime.

It is a super-2 number, since 2×2222323222312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222232322231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222232322239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351596 + ... + 753713.

It is an arithmetic number, because the mean of its divisors is an integer number (29415615030).

Almost surely, 2222232322231 is an apocalyptic number.

222232322231 is a deficient number, since it is larger than the sum of its proper divisors (13092598009).

222232322231 is a wasteful number, since it uses less digits than its factorization.

222232322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117153.

The product of its digits is 6912, while the sum is 26.

Adding to 222232322231 its reverse (132223232222), we get a palindrome (354455554453).

Subtracting from 222232322231 its reverse (132223232222), we obtain a palindrome (90009090009).

The spelling of 222232322231 in words is "two hundred twenty-two billion, two hundred thirty-two million, three hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 17 11827 201059 1105309 18790253 13072489543 222232322231