238227797 has 2 divisors, whose sum is σ = 238227798. Its totient is φ = 238227796.

The previous prime is 238227763. The next prime is 238227827. The reversal of 238227797 is 797722832.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133656721 + 104571076 = 11561^2 + 10226^2 .

It is a cyclic number.

It is not a de Polignac number, because 238227797 - 2¹⁰ = 238226773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238227707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119113898 + 119113899.

It is an arithmetic number, because the mean of its divisors is an integer number (119113899).

Almost surely, 2^238227797 is an apocalyptic number.

It is an amenable number.

238227797 is a deficient number, since it is larger than the sum of its proper divisors (1).

238227797 is an equidigital number, since it uses as much as digits as its factorization.

238227797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 47.

The square root of 238227797 is about 15434.6297979576. The cubic root of 238227797 is about 619.9130965605.

It can be divided in two parts, 23822779 and 7, that multiplied together give a triangular number (166759453 = T₁₈₂₆₂).

The spelling of 238227797 in words is "two hundred thirty-eight million, two hundred twenty-seven thousand, seven hundred ninety-seven".