4002131224 has 32 divisors (see below), whose sum is σ = 9235689120. Its totient is φ = 1583260416.

The previous prime is 4002131219. The next prime is 4002131281. The reversal of 4002131224 is 4221312004.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2747989 + ... + 2749444.

It is an arithmetic number, because the mean of its divisors is an integer number (288615285).

Almost surely, 2^4002131224 is an apocalyptic number.

It is an amenable number.

4002131224 is an abundant number, since it is smaller than the sum of its proper divisors (5233557896).

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

4002131224 is a wasteful number, since it uses less digits than its factorization.

4002131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497459 (or 5497455 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4002131224 is about 63262.3997647892. The cubic root of 4002131224 is about 1587.6829275141.

Adding to 4002131224 its reverse (4221312004), we get a palindrome (8223443228).

The spelling of 4002131224 in words is "four billion, two million, one hundred thirty-one thousand, two hundred twenty-four".