229049591 has 2 divisors, whose sum is σ = 229049592. Its totient is φ = 229049590.

The previous prime is 229049549. The next prime is 229049609. The reversal of 229049591 is 195940922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229049591 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229049501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114524795 + 114524796.

It is an arithmetic number, because the mean of its divisors is an integer number (114524796).

Almost surely, 2^229049591 is an apocalyptic number.

229049591 is a deficient number, since it is larger than the sum of its proper divisors (1).

229049591 is an equidigital number, since it uses as much as digits as its factorization.

229049591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 229049591 is about 15134.3843944840. The cubic root of 229049591 is about 611.8474770140.

The spelling of 229049591 in words is "two hundred twenty-nine million, forty-nine thousand, five hundred ninety-one".