242224889 has 2 divisors, whose sum is σ = 242224890. Its totient is φ = 242224888.

The previous prime is 242224867. The next prime is 242224897. The reversal of 242224889 is 988422242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176890000 + 65334889 = 13300^2 + 8083^2 .

It is a cyclic number.

It is not a de Polignac number, because 242224889 - 2¹⁶ = 242159353 is a prime.

It is not a weakly prime, because it can be changed into another prime (242224859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121112444 + 121112445.

It is an arithmetic number, because the mean of its divisors is an integer number (121112445).

Almost surely, 2^242224889 is an apocalyptic number.

It is an amenable number.

242224889 is a deficient number, since it is larger than the sum of its proper divisors (1).

242224889 is an equidigital number, since it uses as much as digits as its factorization.

242224889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 41.

The square root of 242224889 is about 15563.5757138262. The cubic root of 242224889 is about 623.3609439633.

The spelling of 242224889 in words is "two hundred forty-two million, two hundred twenty-four thousand, eight hundred eighty-nine".