229250891 has 2 divisors, whose sum is σ = 229250892. Its totient is φ = 229250890.

The previous prime is 229250873. The next prime is 229250963. The reversal of 229250891 is 198052922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 229250891 - 2¹⁴ = 229234507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229255891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114625445 + 114625446.

It is an arithmetic number, because the mean of its divisors is an integer number (114625446).

Almost surely, 2^229250891 is an apocalyptic number.

229250891 is a deficient number, since it is larger than the sum of its proper divisors (1).

229250891 is an equidigital number, since it uses as much as digits as its factorization.

229250891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 229250891 is about 15141.0333531103. The cubic root of 229250891 is about 612.0266650421.

The spelling of 229250891 in words is "two hundred twenty-nine million, two hundred fifty thousand, eight hundred ninety-one".