224202240 has 240 divisors, whose sum is σ = 800493408. Its totient is φ = 57950208.

The previous prime is 224202191. The next prime is 224202247. The reversal of 224202240 is 42202422.

224202240 is a `hidden beast` number, since 2 + 2 + 420 + 2 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224202247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 852349 + ... + 852611.

Almost surely, 2^224202240 is an apocalyptic number.

224202240 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 224202240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400246704).

224202240 is an abundant number, since it is smaller than the sum of its proper divisors (576291168).

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

224202240 is a wasteful number, since it uses less digits than its factorization.

224202240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 224202240 is about 14973.3843869714. The cubic root of 224202240 is about 607.5005131327.

Adding to 224202240 its reverse (42202422), we get a palindrome (266404662).

The spelling of 224202240 in words is "two hundred twenty-four million, two hundred two thousand, two hundred forty".