229464820287 has 24 divisors (see below), whose sum is σ = 346263310848. Its totient is φ = 146258168400.

The previous prime is 229464820243. The next prime is 229464820297. The reversal of 229464820287 is 782028464922.

229464820287 is a `hidden beast` number, since 2 + 29 + 464 + 82 + 0 + 2 + 87 = 666.

It is not a de Polignac number, because 229464820287 - 2¹⁴ = 229464803903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229464820297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4931389 + ... + 4977702.

It is an arithmetic number, because the mean of its divisors is an integer number (14427637952).

Almost surely, 2^229464820287 is an apocalyptic number.

229464820287 is a deficient number, since it is larger than the sum of its proper divisors (116798490561).

229464820287 is a wasteful number, since it uses less digits than its factorization.

229464820287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909211 (or 9909208 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 229464820287 in words is "two hundred twenty-nine billion, four hundred sixty-four million, eight hundred twenty thousand, two hundred eighty-seven".