322145361 has 24 divisors (see below), whose sum is σ = 490563840. Its totient is φ = 203148000.

The previous prime is 322145357. The next prime is 322145381. The reversal of 322145361 is 163541223.

It is not a de Polignac number, because 322145361 - 2² = 322145357 is a prime.

It is a super-2 number, since 2×322145361² = 207555267227640642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (322145321) 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 23 ways as a sum of consecutive naturals, for example, 168511 + ... + 170411.

It is an arithmetic number, because the mean of its divisors is an integer number (20440160).

Almost surely, 2^322145361 is an apocalyptic number.

It is an amenable number.

322145361 is a deficient number, since it is larger than the sum of its proper divisors (168418479).

322145361 is a wasteful number, since it uses less digits than its factorization.

322145361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2917 (or 2914 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 322145361 is about 17948.4083138311. The cubic root of 322145361 is about 685.5155236235.

Adding to 322145361 its reverse (163541223), we get a palindrome (485686584).

The spelling of 322145361 in words is "three hundred twenty-two million, one hundred forty-five thousand, three hundred sixty-one".