424103221 has 16 divisors (see below), whose sum is σ = 453922560. Its totient is φ = 395498880.

The previous prime is 424103203. The next prime is 424103243. The reversal of 424103221 is 122301424.

It is a cyclic number.

It is not a de Polignac number, because 424103221 - 2⁵ = 424103189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424103201) 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, 120736 + ... + 124198.

It is an arithmetic number, because the mean of its divisors is an integer number (28370160).

Almost surely, 2^424103221 is an apocalyptic number.

424103221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

424103221 is a deficient number, since it is larger than the sum of its proper divisors (29819339).

424103221 is a wasteful number, since it uses less digits than its factorization.

424103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 424103221 is about 20593.7665568977. The cubic root of 424103221 is about 751.3181093525.

Adding to 424103221 its reverse (122301424), we get a palindrome (546404645).

The spelling of 424103221 in words is "four hundred twenty-four million, one hundred three thousand, two hundred twenty-one".