224444340 has 288 divisors, whose sum is σ = 775756800. Its totient is φ = 52254720.

The previous prime is 224444333. The next prime is 224444351. The reversal of 224444340 is 43444422.

It is a happy number.

224444340 is a `hidden beast` number, since 224 + 4 + 4 + 434 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3074544 + ... + 3074616.

It is an arithmetic number, because the mean of its divisors is an integer number (2693600).

Almost surely, 2^224444340 is an apocalyptic number.

224444340 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 224444340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387878400).

224444340 is an abundant number, since it is smaller than the sum of its proper divisors (551312460).

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

224444340 is a wasteful number, since it uses less digits than its factorization.

224444340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 224444340 is about 14981.4665503748. The cubic root of 224444340 is about 607.7190999572.

Adding to 224444340 its reverse (43444422), we get a palindrome (267888762).

The spelling of 224444340 in words is "two hundred twenty-four million, four hundred forty-four thousand, three hundred forty".