322661166223 has 4 divisors (see below), whose sum is σ = 351993999528. Its totient is φ = 293328332920.

The previous prime is 322661166221. The next prime is 322661166287.

322661166223 is nontrivially palindromic in base 10.

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 322661166223 - 2¹ = 322661166221 is a prime.

It is a super-2 number, since 2×322661166223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322661166221) 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 3 ways as a sum of consecutive naturals, for example, 14666416636 + ... + 14666416657.

It is an arithmetic number, because the mean of its divisors is an integer number (87998499882).

Almost surely, 2^322661166223 is an apocalyptic number.

322661166223 is a deficient number, since it is larger than the sum of its proper divisors (29332833305).

322661166223 is a wasteful number, since it uses less digits than its factorization.

322661166223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29332833304.

The product of its digits is 186624, while the sum is 40.

It can be divided in two parts, 322661 and 166223, that added together give a palindrome (488884).

The spelling of 322661166223 in words is "three hundred twenty-two billion, six hundred sixty-one million, one hundred sixty-six thousand, two hundred twenty-three".