232522240 has 80 divisors (see below), whose sum is σ = 567028440. Its totient is φ = 91422720.

The previous prime is 232522237. The next prime is 232522307. The reversal of 232522240 is 42225232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85821696 + 146700544 = 9264^2 + 12112^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155416 + ... + 156904.

Almost surely, 2^232522240 is an apocalyptic number.

232522240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232522240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283514220).

232522240 is an abundant number, since it is smaller than the sum of its proper divisors (334506200).

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

232522240 is an equidigital number, since it uses as much as digits as its factorization.

232522240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 232522240 is about 15248.6799428672. The cubic root of 232522240 is about 614.9240790234.

Adding to 232522240 its reverse (42225232), we get a palindrome (274747472).

The spelling of 232522240 in words is "two hundred thirty-two million, five hundred twenty-two thousand, two hundred forty".