229312447 has 16 divisors (see below), whose sum is σ = 282741760. Its totient is φ = 181105632.

The previous prime is 229312417. The next prime is 229312459. The reversal of 229312447 is 744213922.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229312447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229312417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56554 + ... + 60472.

It is an arithmetic number, because the mean of its divisors is an integer number (17671360).

Almost surely, 2^229312447 is an apocalyptic number.

229312447 is a deficient number, since it is larger than the sum of its proper divisors (53429313).

229312447 is a wasteful number, since it uses less digits than its factorization.

229312447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4582.

The product of its digits is 24192, while the sum is 34.

The square root of 229312447 is about 15143.0659709320. The cubic root of 229312447 is about 612.0814384271.

The spelling of 229312447 in words is "two hundred twenty-nine million, three hundred twelve thousand, four hundred forty-seven".