230221693 has 8 divisors (see below), whose sum is σ = 248057208. Its totient is φ = 212404224.

The previous prime is 230221687. The next prime is 230221703. The reversal of 230221693 is 396122032.

It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 230219929 = 42^2 + 15173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230221693 - 2¹⁷ = 230090621 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 (230221603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34605 + ... + 40717.

It is an arithmetic number, because the mean of its divisors is an integer number (31007151).

Almost surely, 2^230221693 is an apocalyptic number.

It is an amenable number.

230221693 is a deficient number, since it is larger than the sum of its proper divisors (17835515).

230221693 is a wasteful number, since it uses less digits than its factorization.

230221693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 230221693 is about 15173.0581294609. The cubic root of 230221693 is about 612.8893588786.

The spelling of 230221693 in words is "two hundred thirty million, two hundred twenty-one thousand, six hundred ninety-three".