224244420 has 96 divisors (see below), whose sum is σ = 653159808. Its totient is φ = 57434112.

The previous prime is 224244409. The next prime is 224244437. The reversal of 224244420 is 24442422.

It is a super-2 number, since 2×224244420² = 100571119802272800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183652 + ... + 184868.

It is an arithmetic number, because the mean of its divisors is an integer number (6803748).

Almost surely, 2^224244420 is an apocalyptic number.

224244420 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 224244420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326579904).

224244420 is an abundant number, since it is smaller than the sum of its proper divisors (428915388).

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

224244420 is a wasteful number, since it uses less digits than its factorization.

224244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 224244420 is about 14974.7928199358. The cubic root of 224244420 is about 607.5386078530.

Adding to 224244420 its reverse (24442422), we get a palindrome (248686842).

The spelling of 224244420 in words is "two hundred twenty-four million, two hundred forty-four thousand, four hundred twenty".