229539847 has 2 divisors, whose sum is σ = 229539848. Its totient is φ = 229539846.

The previous prime is 229539833. The next prime is 229539851. The reversal of 229539847 is 748935922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 229539847 - 2¹⁵ = 229507079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229539847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (229539857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114769923 + 114769924.

It is an arithmetic number, because the mean of its divisors is an integer number (114769924).

Almost surely, 2^229539847 is an apocalyptic number.

229539847 is a deficient number, since it is larger than the sum of its proper divisors (1).

229539847 is an equidigital number, since it uses as much as digits as its factorization.

229539847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 49.

The square root of 229539847 is about 15150.5724974339. The cubic root of 229539847 is about 612.2836971610.

The spelling of 229539847 in words is "two hundred twenty-nine million, five hundred thirty-nine thousand, eight hundred forty-seven".