224343420 has 192 divisors, whose sum is σ = 753822720. Its totient is φ = 48771072.

The previous prime is 224343401. The next prime is 224343433. The reversal of 224343420 is 24343422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1376259 + ... + 1376421.

It is an arithmetic number, because the mean of its divisors is an integer number (3926160).

Almost surely, 2^224343420 is an apocalyptic number.

224343420 is a gapful number since it is divisible by the number (20) 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 224343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376911360).

224343420 is an abundant number, since it is smaller than the sum of its proper divisors (529479300).

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

224343420 is a wasteful number, since it uses less digits than its factorization.

224343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 224343420 is about 14978.0980100946. The cubic root of 224343420 is about 607.6280005986.

Adding to 224343420 its reverse (24343422), we get a palindrome (248686842).

The spelling of 224343420 in words is "two hundred twenty-four million, three hundred forty-three thousand, four hundred twenty".