224412240 has 160 divisors (see below), whose sum is σ = 793449216. Its totient is φ = 51978240.

The previous prime is 224412233. The next prime is 224412241. The reversal of 224412240 is 42214422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224412241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50925 + ... + 55155.

Almost surely, 2^224412240 is an apocalyptic number.

224412240 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 224412240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396724608).

224412240 is an abundant number, since it is smaller than the sum of its proper divisors (569036976).

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

224412240 is a wasteful number, since it uses less digits than its factorization.

224412240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 224412240 is about 14980.3951883787. The cubic root of 224412240 is about 607.6901266073.

Adding to 224412240 its reverse (42214422), we get a palindrome (266626662).

The spelling of 224412240 in words is "two hundred twenty-four million, four hundred twelve thousand, two hundred forty".