224012140 has 36 divisors (see below), whose sum is σ = 517084848. Its totient is φ = 81458080.

The previous prime is 224012101. The next prime is 224012141. The reversal of 224012140 is 41210422.

It is not an unprimeable number, because it can be changed into a prime (224012141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43864 + ... + 48703.

It is an arithmetic number, because the mean of its divisors is an integer number (14363468).

Almost surely, 2^224012140 is an apocalyptic number.

224012140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224012140 is an abundant number, since it is smaller than the sum of its proper divisors (293072708).

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

224012140 is a wasteful number, since it uses less digits than its factorization.

224012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92598 (or 92585 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 224012140 is about 14967.0351105354. The cubic root of 224012140 is about 607.3287656621.

Adding to 224012140 its reverse (41210422), we get a palindrome (265222562).

The spelling of 224012140 in words is "two hundred twenty-four million, twelve thousand, one hundred forty".