230221120 has 28 divisors (see below), whose sum is σ = 548214804. Its totient is φ = 92088320.

The previous prime is 230221091. The next prime is 230221133. The reversal of 230221120 is 21122032.

It can be written as a sum of positive squares in 2 ways, for example, as 54287424 + 175933696 = 7368^2 + 13264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 230221120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359401 + ... + 360040.

Almost surely, 2^230221120 is an apocalyptic number.

230221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230221120 is an abundant number, since it is smaller than the sum of its proper divisors (317993684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230221120 is an equidigital number, since it uses as much as digits as its factorization.

230221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719458 (or 719448 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 230221120 is about 15173.0392472965. The cubic root of 230221120 is about 612.8888504036. Note that the first 4 decimals are identical.

Adding to 230221120 its reverse (21122032), we get a palindrome (251343152).

It can be divided in two parts, 23022 and 1120, that added together give a palindrome (24142).

The spelling of 230221120 in words is "two hundred thirty million, two hundred twenty-one thousand, one hundred twenty".