88229191 has 2 divisors, whose sum is σ = 88229192. Its totient is φ = 88229190.

The previous prime is 88229177. The next prime is 88229213. The reversal of 88229191 is 19192288.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88229191 - 2⁵ = 88229159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88229111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44114595 + 44114596.

It is an arithmetic number, because the mean of its divisors is an integer number (44114596).

Almost surely, 2^88229191 is an apocalyptic number.

88229191 is a deficient number, since it is larger than the sum of its proper divisors (1).

88229191 is an equidigital number, since it uses as much as digits as its factorization.

88229191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 40.

The square root of 88229191 is about 9393.0394974151. The cubic root of 88229191 is about 445.1818320162.

The spelling of 88229191 in words is "eighty-eight million, two hundred twenty-nine thousand, one hundred ninety-one".