424220000 has 60 divisors (see below), whose sum is σ = 1043694036. Its totient is φ = 169680000.

The previous prime is 424219969. The next prime is 424220029. The reversal of 424220000 is 22424.

It is a happy number.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9395 + ... + 30605.

Almost surely, 2^424220000 is an apocalyptic number.

424220000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521847018).

424220000 is an abundant number, since it is smaller than the sum of its proper divisors (619474036).

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

424220000 is an equidigital number, since it uses as much as digits as its factorization.

424220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21241 (or 21218 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 424220000 is about 20596.6016614392. The cubic root of 424220000 is about 751.3870627906.

Adding to 424220000 its reverse (22424), we get a palindrome (424242424).

It can be divided in two parts, 4242 and 20000, that added together give a palindrome (24242).

The spelling of 424220000 in words is "four hundred twenty-four million, two hundred twenty thousand".