324221101 has 2 divisors, whose sum is σ = 324221102. Its totient is φ = 324221100.

The previous prime is 324221081. The next prime is 324221113. The reversal of 324221101 is 101122423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280529001 + 43692100 = 16749^2 + 6610^2 .

It is a cyclic number.

It is not a de Polignac number, because 324221101 - 2²⁵ = 290666669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324221141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162110550 + 162110551.

It is an arithmetic number, because the mean of its divisors is an integer number (162110551).

Almost surely, 2^324221101 is an apocalyptic number.

It is an amenable number.

324221101 is a deficient number, since it is larger than the sum of its proper divisors (1).

324221101 is an equidigital number, since it uses as much as digits as its factorization.

324221101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 324221101 is about 18006.1406470126. The cubic root of 324221101 is about 686.9847430094.

Adding to 324221101 its reverse (101122423), we get a palindrome (425343524).

The spelling of 324221101 in words is "three hundred twenty-four million, two hundred twenty-one thousand, one hundred one".