224244340 has 48 divisors (see below), whose sum is σ = 477775872. Its totient is φ = 88402176.

The previous prime is 224244323. The next prime is 224244343. The reversal of 224244340 is 43442422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224244343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610837 + ... + 611203.

It is an arithmetic number, because the mean of its divisors is an integer number (9953664).

Almost surely, 2^224244340 is an apocalyptic number.

224244340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224244340 is an abundant number, since it is smaller than the sum of its proper divisors (253531532).

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

224244340 is a wasteful number, since it uses less digits than its factorization.

224244340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 224244340 is about 14974.7901487800. The cubic root of 224244340 is about 607.5385356058.

Adding to 224244340 its reverse (43442422), we get a palindrome (267686762).

The spelling of 224244340 in words is "two hundred twenty-four million, two hundred forty-four thousand, three hundred forty".