2003522994 has 96 divisors (see below), whose sum is σ = 5002702848. Its totient is φ = 573804000.

The previous prime is 2003522993. The next prime is 2003523047. The reversal of 2003522994 is 4992253002.

It is not an unprimeable number, because it can be changed into a prime (2003522993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 260139 + ... + 267729.

It is an arithmetic number, because the mean of its divisors is an integer number (52111488).

Almost surely, 2^2003522994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003522994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2501351424).

2003522994 is an abundant number, since it is smaller than the sum of its proper divisors (2999179854).

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

2003522994 is a wasteful number, since it uses less digits than its factorization.

2003522994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684 (or 7681 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 2003522994 is about 44760.7304900177. The cubic root of 2003522994 is about 1260.6603983279.

Adding to 2003522994 its reverse (4992253002), we get a palindrome (6995775996).

The spelling of 2003522994 in words is "two billion, three million, five hundred twenty-two thousand, nine hundred ninety-four".