424323220 has 48 divisors (see below), whose sum is σ = 911635200. Its totient is φ = 165859200.

The previous prime is 424323209. The next prime is 424323241. The reversal of 424323220 is 22323424.

It is a junction number, because it is equal to n+sod(n) for n = 424323191 and 424323200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158251 + ... + 160909.

It is an arithmetic number, because the mean of its divisors is an integer number (18992400).

Almost surely, 2^424323220 is an apocalyptic number.

It is an amenable number.

424323220 is an abundant number, since it is smaller than the sum of its proper divisors (487311980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424323220 is a wasteful number, since it uses less digits than its factorization.

424323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2846 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 424323220 is about 20599.1072622092. The cubic root of 424323220 is about 751.4479996340.

Adding to 424323220 its reverse (22323424), we get a palindrome (446646644).

The spelling of 424323220 in words is "four hundred twenty-four million, three hundred twenty-three thousand, two hundred twenty".