1001223232 has 28 divisors (see below), whose sum is σ = 1993908636. Its totient is φ = 498821120.

The previous prime is 1001223229. The next prime is 1001223241. The reversal of 1001223232 is 2323221001.

1001223232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 782656576 + 218566656 = 27976^2 + 14784^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9853 + ... + 45820.

Almost surely, 2^1001223232 is an apocalyptic number.

It is an amenable number.

1001223232 is a deficient number, since it is larger than the sum of its proper divisors (992685404).

1001223232 is an equidigital number, since it uses as much as digits as its factorization.

1001223232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55966 (or 55956 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1001223232 is about 31642.1116868012. Note that the first 3 decimals coincide. The cubic root of 1001223232 is about 1000.4075778577.

Adding to 1001223232 its reverse (2323221001), we get a palindrome (3324444233).

The spelling of 1001223232 in words is "one billion, one million, two hundred twenty-three thousand, two hundred thirty-two".