4001224003 has 48 divisors (see below), whose sum is σ = 5156338176. Its totient is φ = 3033676800.

The previous prime is 4001224001. The next prime is 4001224013. The reversal of 4001224003 is 3004221004.

It is not a de Polignac number, because 4001224003 - 2¹ = 4001224001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001224001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2498403 + ... + 2500003.

It is an arithmetic number, because the mean of its divisors is an integer number (107423712).

Almost surely, 2^4001224003 is an apocalyptic number.

4001224003 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4001224003 is a deficient number, since it is larger than the sum of its proper divisors (1155114173).

4001224003 is a wasteful number, since it uses less digits than its factorization.

4001224003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4001224003 is about 63255.2290565768. The cubic root of 4001224003 is about 1587.5629507598.

Adding to 4001224003 its reverse (3004221004), we get a palindrome (7005445007).

Subtracting from 4001224003 its reverse (3004221004), we obtain a cube (997002999 = 999³).

The spelling of 4001224003 in words is "four billion, one million, two hundred twenty-four thousand, three".