229994491 has 2 divisors, whose sum is σ = 229994492. Its totient is φ = 229994490.

The previous prime is 229994483. The next prime is 229994497. The reversal of 229994491 is 194499922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229994491 - 2³ = 229994483 is a prime.

It is not a weakly prime, because it can be changed into another prime (229994497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114997245 + 114997246.

It is an arithmetic number, because the mean of its divisors is an integer number (114997246).

Almost surely, 2^229994491 is an apocalyptic number.

229994491 is a deficient number, since it is larger than the sum of its proper divisors (1).

229994491 is an equidigital number, since it uses as much as digits as its factorization.

229994491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 49.

The square root of 229994491 is about 15165.5692606641. The cubic root of 229994491 is about 612.6876757108.

The spelling of 229994491 in words is "two hundred twenty-nine million, nine hundred ninety-four thousand, four hundred ninety-one".