224242091 has 2 divisors, whose sum is σ = 224242092. Its totient is φ = 224242090.

The previous prime is 224242061. The next prime is 224242129. The reversal of 224242091 is 190242422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224242091 - 2⁶ = 224242027 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224242091.

It is not a weakly prime, because it can be changed into another prime (224242061) 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, 112121045 + 112121046.

It is an arithmetic number, because the mean of its divisors is an integer number (112121046).

Almost surely, 2^224242091 is an apocalyptic number.

224242091 is a deficient number, since it is larger than the sum of its proper divisors (1).

224242091 is an equidigital number, since it uses as much as digits as its factorization.

224242091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 224242091 is about 14974.7150557198. The cubic root of 224242091 is about 607.5365045494.

The spelling of 224242091 in words is "two hundred twenty-four million, two hundred forty-two thousand, ninety-one".