230442644 has 12 divisors (see below), whose sum is σ = 403431168. Its totient is φ = 115176600.

The previous prime is 230442617. The next prime is 230442649. The reversal of 230442644 is 446244032.

230442644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230442649) 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, 2189 + ... + 21579.

It is an arithmetic number, because the mean of its divisors is an integer number (33619264).

Almost surely, 2^230442644 is an apocalyptic number.

It is an amenable number.

230442644 is a deficient number, since it is larger than the sum of its proper divisors (172988524).

230442644 is a wasteful number, since it uses less digits than its factorization.

230442644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22366 (or 22364 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 230442644 is about 15180.3374139049. The cubic root of 230442644 is about 613.0853659189.

Adding to 230442644 its reverse (446244032), we get a palindrome (676686676).

The spelling of 230442644 in words is "two hundred thirty million, four hundred forty-two thousand, six hundred forty-four".