224340140 has 12 divisors (see below), whose sum is σ = 471114336. Its totient is φ = 89736048.

The previous prime is 224340113. The next prime is 224340157. The reversal of 224340140 is 41043422.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11217007 = 224340140 / (2 + 2 + 4 + 3 + 4 + 0 + 1 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5608484 + ... + 5608523.

It is an arithmetic number, because the mean of its divisors is an integer number (39259528).

Almost surely, 2^224340140 is an apocalyptic number.

224340140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224340140 is an abundant number, since it is smaller than the sum of its proper divisors (246774196).

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

224340140 is a wasteful number, since it uses less digits than its factorization.

224340140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11217016 (or 11217014 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 224340140 is about 14977.9885164865. The cubic root of 224340140 is about 607.6250393208.

Adding to 224340140 its reverse (41043422), we get a palindrome (265383562).

The spelling of 224340140 in words is "two hundred twenty-four million, three hundred forty thousand, one hundred forty".