2001133224 has 48 divisors (see below), whose sum is σ = 5423670720. Its totient is φ = 666560160.

The previous prime is 2001133201. The next prime is 2001133231. The reversal of 2001133224 is 4223311002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2001133197 and 2001133206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97719 + ... + 116409.

It is an arithmetic number, because the mean of its divisors is an integer number (112993140).

Almost surely, 2^2001133224 is an apocalyptic number.

2001133224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2001133224 is an abundant number, since it is smaller than the sum of its proper divisors (3422537496).

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

2001133224 is a wasteful number, since it uses less digits than its factorization.

2001133224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20190 (or 20183 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2001133224 is about 44734.0275852734. The cubic root of 2001133224 is about 1260.1589670936.

Adding to 2001133224 its reverse (4223311002), we get a palindrome (6224444226).

It can be divided in two parts, 20011 and 33224, that added together give a palindrome (53235).

The spelling of 2001133224 in words is "two billion, one million, one hundred thirty-three thousand, two hundred twenty-four".