224003420 has 24 divisors (see below), whose sum is σ = 476854224. Its totient is φ = 88373376.

The previous prime is 224003419. The next prime is 224003431. The reversal of 224003420 is 24300422.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 75254 + ... + 78173.

It is an arithmetic number, because the mean of its divisors is an integer number (19868926).

Almost surely, 2^224003420 is an apocalyptic number.

224003420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224003420 is an abundant number, since it is smaller than the sum of its proper divisors (252850804).

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

224003420 is a wasteful number, since it uses less digits than its factorization.

224003420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153509 (or 153507 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 224003420 is about 14966.7438008406. The cubic root of 224003420 is about 607.3208851732.

Adding to 224003420 its reverse (24300422), we get a palindrome (248303842).

The spelling of 224003420 in words is "two hundred twenty-four million, three thousand, four hundred twenty".