224122240 has 32 divisors (see below), whose sum is σ = 535793760. Its totient is φ = 89648640.

The previous prime is 224122211. The next prime is 224122243. The reversal of 224122240 is 42221422.

224122240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224122243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174456 + ... + 175735.

It is an arithmetic number, because the mean of its divisors is an integer number (16743555).

Almost surely, 2^224122240 is an apocalyptic number.

224122240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224122240 is an abundant number, since it is smaller than the sum of its proper divisors (311671520).

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

224122240 is an equidigital number, since it uses as much as digits as its factorization.

224122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350210 (or 350198 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 224122240 is about 14970.7127418837. The cubic root of 224122240 is about 607.4282482843.

Adding to 224122240 its reverse (42221422), we get a palindrome (266343662).

The spelling of 224122240 in words is "two hundred twenty-four million, one hundred twenty-two thousand, two hundred forty".