324221432 has 16 divisors (see below), whose sum is σ = 634346640. Its totient is φ = 155062336.

The previous prime is 324221407. The next prime is 324221437. The reversal of 324221432 is 234122423.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 324221398 and 324221407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324221437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880853 + ... + 881220.

It is an arithmetic number, because the mean of its divisors is an integer number (39646665).

Almost surely, 2^324221432 is an apocalyptic number.

It is an amenable number.

324221432 is a deficient number, since it is larger than the sum of its proper divisors (310125208).

324221432 is a wasteful number, since it uses less digits than its factorization.

324221432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762102 (or 1762098 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 324221432 is about 18006.1498383191. The cubic root of 324221432 is about 686.9849767921.

Adding to 324221432 its reverse (234122423), we get a palindrome (558343855).

Subtracting from 324221432 its reverse (234122423), we obtain a palindrome (90099009).

The spelling of 324221432 in words is "three hundred twenty-four million, two hundred twenty-one thousand, four hundred thirty-two".