1324420221 has 8 divisors (see below), whose sum is σ = 1767762144. Its totient is φ = 882012560.

The previous prime is 1324420211. The next prime is 1324420261. The reversal of 1324420221 is 1220244231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1324420221 - 2¹⁴ = 1324403837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324420211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230250 + ... + 235931.

It is an arithmetic number, because the mean of its divisors is an integer number (220970268).

Almost surely, 2^1324420221 is an apocalyptic number.

It is an amenable number.

1324420221 is a deficient number, since it is larger than the sum of its proper divisors (443341923).

1324420221 is an equidigital number, since it uses as much as digits as its factorization.

1324420221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467131.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1324420221 is about 36392.5846979848. The cubic root of 1324420221 is about 1098.1843936026.

Adding to 1324420221 its reverse (1220244231), we get a palindrome (2544664452).

The spelling of 1324420221 in words is "one billion, three hundred twenty-four million, four hundred twenty thousand, two hundred twenty-one".