229546639 has 16 divisors (see below), whose sum is σ = 269475840. Its totient is φ = 191469600.

The previous prime is 229546627. The next prime is 229546649. The reversal of 229546639 is 936645922.

It is not a de Polignac number, because 229546639 - 2⁷ = 229546511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229546649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38962 + ... + 44464.

It is an arithmetic number, because the mean of its divisors is an integer number (16842240).

Almost surely, 2^229546639 is an apocalyptic number.

229546639 is a deficient number, since it is larger than the sum of its proper divisors (39929201).

229546639 is a wasteful number, since it uses less digits than its factorization.

229546639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5670.

The product of its digits is 699840, while the sum is 46.

The square root of 229546639 is about 15150.7966457213. The cubic root of 229546639 is about 612.2897361849.

The spelling of 229546639 in words is "two hundred twenty-nine million, five hundred forty-six thousand, six hundred thirty-nine".