224042551 has 2 divisors, whose sum is σ = 224042552. Its totient is φ = 224042550.

The previous prime is 224042537. The next prime is 224042579. The reversal of 224042551 is 155240422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224042551 - 2⁵ = 224042519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224042521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112021275 + 112021276.

It is an arithmetic number, because the mean of its divisors is an integer number (112021276).

Almost surely, 2^224042551 is an apocalyptic number.

224042551 is a deficient number, since it is larger than the sum of its proper divisors (1).

224042551 is an equidigital number, since it uses as much as digits as its factorization.

224042551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 224042551 is about 14968.0510087319. The cubic root of 224042551 is about 607.3562472670.

Adding to 224042551 its reverse (155240422), we get a palindrome (379282973).

The spelling of 224042551 in words is "two hundred twenty-four million, forty-two thousand, five hundred fifty-one".