224140236 has 24 divisors (see below), whose sum is σ = 525478464. Its totient is φ = 74358480.

The previous prime is 224140177. The next prime is 224140243. The reversal of 224140236 is 632041422.

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, 41730 + ... + 46793.

It is an arithmetic number, because the mean of its divisors is an integer number (21894936).

Almost surely, 2^224140236 is an apocalyptic number.

It is an amenable number.

224140236 is an abundant number, since it is smaller than the sum of its proper divisors (301338228).

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

224140236 is a wasteful number, since it uses less digits than its factorization.

224140236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88741 (or 88739 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 224140236 is about 14971.3137700070. The cubic root of 224140236 is about 607.4445057608. Note that the first 3 decimals are identical.

Adding to 224140236 its reverse (632041422), we get a palindrome (856181658).

The spelling of 224140236 in words is "two hundred twenty-four million, one hundred forty thousand, two hundred thirty-six".