229712479 has 2 divisors, whose sum is σ = 229712480. Its totient is φ = 229712478.

The previous prime is 229712459. The next prime is 229712491. The reversal of 229712479 is 974217922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229712479 - 2¹⁵ = 229679711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229712459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114856239 + 114856240.

It is an arithmetic number, because the mean of its divisors is an integer number (114856240).

Almost surely, 2^229712479 is an apocalyptic number.

229712479 is a deficient number, since it is larger than the sum of its proper divisors (1).

229712479 is an equidigital number, since it uses as much as digits as its factorization.

229712479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 229712479 is about 15156.2686371019. The cubic root of 229712479 is about 612.4371538462.

The spelling of 229712479 in words is "two hundred twenty-nine million, seven hundred twelve thousand, four hundred seventy-nine".