224140660 has 24 divisors (see below), whose sum is σ = 477146376. Its totient is φ = 88427520.

The previous prime is 224140621. The next prime is 224140673. The reversal of 224140660 is 66041422.

It can be written as a sum of positive squares in 4 ways, for example, as 29203216 + 194937444 = 5404^2 + 13962^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75301 + ... + 78220.

It is an arithmetic number, because the mean of its divisors is an integer number (19881099).

Almost surely, 2^224140660 is an apocalyptic number.

224140660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224140660 is an abundant number, since it is smaller than the sum of its proper divisors (253005716).

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

224140660 is a wasteful number, since it uses less digits than its factorization.

224140660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153603 (or 153601 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 224140660 is about 14971.3279304142. The cubic root of 224140660 is about 607.4448887893. Note that the first 3 decimals are identical.

The spelling of 224140660 in words is "two hundred twenty-four million, one hundred forty thousand, six hundred sixty".