2001041224 has 48 divisors (see below), whose sum is σ = 4700259900. Its totient is φ = 791618688.

The previous prime is 2001041191. The next prime is 2001041233. The reversal of 2001041224 is 4221401002.

It can be written as a sum of positive squares in 2 ways, for example, as 2000772900 + 268324 = 44730^2 + 518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2001041198 and 2001041207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191239 + ... + 201430.

Almost surely, 2^2001041224 is an apocalyptic number.

It is an amenable number.

2001041224 is an abundant number, since it is smaller than the sum of its proper divisors (2699218676).

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

2001041224 is a wasteful number, since it uses less digits than its factorization.

2001041224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392702 (or 392691 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2001041224 is about 44732.9992734670. Note that the first 3 decimals coincide. The cubic root of 2001041224 is about 1260.1396553023.

Adding to 2001041224 its reverse (4221401002), we get a palindrome (6222442226).

The spelling of 2001041224 in words is "two billion, one million, forty-one thousand, two hundred twenty-four".