424110221 has 4 divisors (see below), whose sum is σ = 424233600. Its totient is φ = 423986844.

The previous prime is 424110199. The next prime is 424110241. The reversal of 424110221 is 122011424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424110221 - 2¹⁸ = 423848077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 424110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424110241) 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, 56381 + ... + 63458.

It is an arithmetic number, because the mean of its divisors is an integer number (106058400).

Almost surely, 2^424110221 is an apocalyptic number.

It is an amenable number.

424110221 is a deficient number, since it is larger than the sum of its proper divisors (123379).

424110221 is a wasteful number, since it uses less digits than its factorization.

424110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123378.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 424110221 is about 20593.9365105363. The cubic root of 424110221 is about 751.3222429357.

Adding to 424110221 its reverse (122011424), we get a palindrome (546121645).

The spelling of 424110221 in words is "four hundred twenty-four million, one hundred ten thousand, two hundred twenty-one".