322321252 has 18 divisors (see below), whose sum is σ = 620003174. Its totient is φ = 146509440.

The previous prime is 322321247. The next prime is 322321271. The reversal of 322321252 is 252123223.

It can be written as a sum of positive squares in only one way, i.e., 218566656 + 103754596 = 14784^2 + 10186^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332493 + ... + 333460.

Almost surely, 2^322321252 is an apocalyptic number.

It is an amenable number.

322321252 is a deficient number, since it is larger than the sum of its proper divisors (297681922).

322321252 is a wasteful number, since it uses less digits than its factorization.

322321252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665979 (or 665966 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 322321252 is about 17953.3075504209. The cubic root of 322321252 is about 685.6402644884.

Adding to 322321252 its reverse (252123223), we get a palindrome (574444475).

The spelling of 322321252 in words is "three hundred twenty-two million, three hundred twenty-one thousand, two hundred fifty-two".