224540531 has 8 divisors (see below), whose sum is σ = 230836320. Its totient is φ = 218256768.

The previous prime is 224540527. The next prime is 224540543. The reversal of 224540531 is 135045422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224540531 - 2² = 224540527 is a prime.

It is a super-2 number, since 2×224540531² = 100836900123523922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224540531.

It is not an unprimeable number, because it can be changed into a prime (224540501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45650 + ... + 50328.

It is an arithmetic number, because the mean of its divisors is an integer number (28854540).

Almost surely, 2^224540531 is an apocalyptic number.

224540531 is a deficient number, since it is larger than the sum of its proper divisors (6295789).

224540531 is a wasteful number, since it uses less digits than its factorization.

224540531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 224540531 is about 14984.6765397188. The cubic root of 224540531 is about 607.8059050850.

Adding to 224540531 its reverse (135045422), we get a palindrome (359585953).

The spelling of 224540531 in words is "two hundred twenty-four million, five hundred forty thousand, five hundred thirty-one".