224000140 has 48 divisors (see below), whose sum is σ = 578958912. Its totient is φ = 70891776.

The previous prime is 224000137. The next prime is 224000159. The reversal of 224000140 is 41000422.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 224000140.

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, 59719 + ... + 63358.

It is an arithmetic number, because the mean of its divisors is an integer number (12061644).

Almost surely, 2^224000140 is an apocalyptic number.

224000140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224000140 is an abundant number, since it is smaller than the sum of its proper divisors (354958772).

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

224000140 is a wasteful number, since it uses less digits than its factorization.

224000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123106 (or 123104 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 224000140 is about 14966.6342241668. The cubic root of 224000140 is about 607.3179208996.

Adding to 224000140 its reverse (41000422), we get a palindrome (265000562).

It can be divided in two parts, 224000 and 140, that multiplied together give a square (31360000 = 5600²).

The spelling of 224000140 in words is "two hundred twenty-four million, one hundred forty", and thus it is an aban number.