229071499 has 4 divisors (see below), whose sum is σ = 229110336. Its totient is φ = 229032664.

The previous prime is 229071497. The next prime is 229071539. The reversal of 229071499 is 994170922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 229071499 - 2¹ = 229071497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229071497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8539 + ... + 23044.

It is an arithmetic number, because the mean of its divisors is an integer number (57277584).

Almost surely, 2^229071499 is an apocalyptic number.

229071499 is a deficient number, since it is larger than the sum of its proper divisors (38837).

229071499 is an equidigital number, since it uses as much as digits as its factorization.

229071499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38836.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 229071499 is about 15135.1081595078. The cubic root of 229071499 is about 611.8669836008.

The spelling of 229071499 in words is "two hundred twenty-nine million, seventy-one thousand, four hundred ninety-nine".