224240437 has 2 divisors, whose sum is σ = 224240438. Its totient is φ = 224240436.

The previous prime is 224240417. The next prime is 224240479. The reversal of 224240437 is 734042422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214593201 + 9647236 = 14649^2 + 3106^2 .

It is a cyclic number.

It is not a de Polignac number, because 224240437 - 2²³ = 215851829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224240407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112120218 + 112120219.

It is an arithmetic number, because the mean of its divisors is an integer number (112120219).

Almost surely, 2^224240437 is an apocalyptic number.

It is an amenable number.

224240437 is a deficient number, since it is larger than the sum of its proper divisors (1).

224240437 is an equidigital number, since it uses as much as digits as its factorization.

224240437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 224240437 is about 14974.6598291914. The cubic root of 224240437 is about 607.5350108247.

Adding to 224240437 its reverse (734042422), we get a palindrome (958282859).

The spelling of 224240437 in words is "two hundred twenty-four million, two hundred forty thousand, four hundred thirty-seven".