324402231 has 16 divisors (see below), whose sum is σ = 438036480. Its totient is φ = 213535680.

The previous prime is 324402229. The next prime is 324402251. The reversal of 324402231 is 132204423.

It is not a de Polignac number, because 324402231 - 2¹ = 324402229 is a prime.

It is a super-2 number, since 2×324402231² = 210473614955554722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 324402198 and 324402207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324402251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77611 + ... + 81683.

It is an arithmetic number, because the mean of its divisors is an integer number (27377280).

Almost surely, 2^324402231 is an apocalyptic number.

324402231 is a deficient number, since it is larger than the sum of its proper divisors (113634249).

324402231 is a wasteful number, since it uses less digits than its factorization.

324402231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 324402231 is about 18011.1696177677. The cubic root of 324402231 is about 687.1126499441.

Adding to 324402231 its reverse (132204423), we get a palindrome (456606654).

The spelling of 324402231 in words is "three hundred twenty-four million, four hundred two thousand, two hundred thirty-one".