224122420 has 24 divisors (see below), whose sum is σ = 472405248. Its totient is φ = 89316000.

The previous prime is 224122399. The next prime is 224122427. The reversal of 224122420 is 24221422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224122427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15256 + ... + 26095.

It is an arithmetic number, because the mean of its divisors is an integer number (19683552).

Almost surely, 2^224122420 is an apocalyptic number.

224122420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224122420 is an abundant number, since it is smaller than the sum of its proper divisors (248282828).

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

224122420 is a wasteful number, since it uses less digits than its factorization.

224122420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41631 (or 41629 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 224122420 is about 14970.7187536203. The cubic root of 224122420 is about 607.4284108995.

Adding to 224122420 its reverse (24221422), we get a palindrome (248343842).

The spelling of 224122420 in words is "two hundred twenty-four million, one hundred twenty-two thousand, four hundred twenty".