224040231 has 6 divisors (see below), whose sum is σ = 323613680. Its totient is φ = 149360148.

The previous prime is 224040209. The next prime is 224040233. The reversal of 224040231 is 132040422.

It is not a de Polignac number, because 224040231 - 2¹⁵ = 224007463 is a prime.

It is a super-2 number, since 2×224040231² = 100388050213066722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224040233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12446671 + ... + 12446688.

Almost surely, 2^224040231 is an apocalyptic number.

224040231 is a deficient number, since it is larger than the sum of its proper divisors (99573449).

224040231 is a wasteful number, since it uses less digits than its factorization.

224040231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24893365 (or 24893362 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 224040231 is about 14967.9735101316. The cubic root of 224040231 is about 607.3541508329.

Adding to 224040231 its reverse (132040422), we get a palindrome (356080653).

The spelling of 224040231 in words is "two hundred twenty-four million, forty thousand, two hundred thirty-one".