1421324224 has 28 divisors (see below), whose sum is σ = 2832785800. Its totient is φ = 707551488.

The previous prime is 1421324209. The next prime is 1421324237. The reversal of 1421324224 is 4224231241.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33834 + ... + 63145.

Almost surely, 2^1421324224 is an apocalyptic number.

It is an amenable number.

1421324224 is a deficient number, since it is larger than the sum of its proper divisors (1411461576).

1421324224 is an equidigital number, since it uses as much as digits as its factorization.

1421324224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97220 (or 97210 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 1421324224 is about 37700.4538964719. The cubic root of 1421324224 is about 1124.3401494131.

Adding to 1421324224 its reverse (4224231241), we get a palindrome (5645555465).

The spelling of 1421324224 in words is "one billion, four hundred twenty-one million, three hundred twenty-four thousand, two hundred twenty-four".