424230310221 has 4 divisors (see below), whose sum is σ = 565640413632. Its totient is φ = 282820206812.

The previous prime is 424230310177. The next prime is 424230310297. The reversal of 424230310221 is 122013032424.

It is a happy number.

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 424230310221 - 2¹⁰ = 424230309197 is a prime.

It is a super-2 number, since 2×424230310221² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424230310191 and 424230310200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424230311221) 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 3 ways as a sum of consecutive naturals, for example, 70705051701 + ... + 70705051706.

It is an arithmetic number, because the mean of its divisors is an integer number (141410103408).

Almost surely, 2^424230310221 is an apocalyptic number.

It is an amenable number.

424230310221 is a deficient number, since it is larger than the sum of its proper divisors (141410103411).

424230310221 is a wasteful number, since it uses less digits than its factorization.

424230310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141410103410.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 424230310221 its reverse (122013032424), we get a palindrome (546243342645).

It can be divided in two parts, 4242303 and 10221, that added together give a palindrome (4252524).

The spelling of 424230310221 in words is "four hundred twenty-four billion, two hundred thirty million, three hundred ten thousand, two hundred twenty-one".