224246240 has 96 divisors (see below), whose sum is σ = 544682880. Its totient is φ = 87220224.

The previous prime is 224246221. The next prime is 224246287. The reversal of 224246240 is 42642422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1428242 + ... + 1428398.

It is an arithmetic number, because the mean of its divisors is an integer number (5673780).

Almost surely, 2^224246240 is an apocalyptic number.

224246240 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 224246240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272341440).

224246240 is an abundant number, since it is smaller than the sum of its proper divisors (320436640).

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

224246240 is a wasteful number, since it uses less digits than its factorization.

224246240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 224246240 is about 14974.8535885998. The cubic root of 224246240 is about 607.5402514722.

Adding to 224246240 its reverse (42642422), we get a palindrome (266888662).

The spelling of 224246240 in words is "two hundred twenty-four million, two hundred forty-six thousand, two hundred forty".