229092491 has 2 divisors, whose sum is σ = 229092492. Its totient is φ = 229092490.

The previous prime is 229092473. The next prime is 229092499. The reversal of 229092491 is 194290922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229092491 is a prime.

It is not a weakly prime, because it can be changed into another prime (229092499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114546245 + 114546246.

It is an arithmetic number, because the mean of its divisors is an integer number (114546246).

Almost surely, 2^229092491 is an apocalyptic number.

229092491 is a deficient number, since it is larger than the sum of its proper divisors (1).

229092491 is an equidigital number, since it uses as much as digits as its factorization.

229092491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 229092491 is about 15135.8016305711. The cubic root of 229092491 is about 611.8856734268.

The spelling of 229092491 in words is "two hundred twenty-nine million, ninety-two thousand, four hundred ninety-one".