424218284 has 30 divisors (see below), whose sum is σ = 866080404. Its totient is φ = 181803720.

The previous prime is 424218271. The next prime is 424218331. The reversal of 424218284 is 482812424.

It is a super-2 number, since 2×424218284² = 359922304959809312, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12482 + ... + 31689.

Almost surely, 2^424218284 is an apocalyptic number.

It is an amenable number.

424218284 is an abundant number, since it is smaller than the sum of its proper divisors (441862120).

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

424218284 is an equidigital number, since it uses as much as digits as its factorization.

424218284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44203 (or 44180 counting only the distinct ones).

The product of its digits is 32768, while the sum is 35.

The square root of 424218284 is about 20596.5600040395. The cubic root of 424218284 is about 751.3860496513.

It can be divided in two parts, 42421 and 8284, that added together give a palindrome (50705).

The spelling of 424218284 in words is "four hundred twenty-four million, two hundred eighteen thousand, two hundred eighty-four".