322243161 has 8 divisors (see below), whose sum is σ = 439649760. Its totient is φ = 209832672.

The previous prime is 322243153. The next prime is 322243193. The reversal of 322243161 is 161342223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 322243161 - 2³ = 322243153 is a prime.

It is a super-2 number, since 2×322243161² = 207681309622543842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (322243111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248876 + ... + 1249133.

It is an arithmetic number, because the mean of its divisors is an integer number (54956220).

Almost surely, 2^322243161 is an apocalyptic number.

It is an amenable number.

322243161 is a deficient number, since it is larger than the sum of its proper divisors (117406599).

322243161 is a wasteful number, since it uses less digits than its factorization.

322243161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498055.

The product of its digits is 1728, while the sum is 24.

The square root of 322243161 is about 17951.1325826534. The cubic root of 322243161 is about 685.5848884123.

Adding to 322243161 its reverse (161342223), we get a palindrome (483585384).

The spelling of 322243161 in words is "three hundred twenty-two million, two hundred forty-three thousand, one hundred sixty-one".