2003023022 has 128 divisors (see below), whose sum is σ = 4161991680. Its totient is φ = 697973760.

The previous prime is 2003023021. The next prime is 2003023031. The reversal of 2003023022 is 2203203002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2003022988 and 2003023006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003023021) 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 63 ways as a sum of consecutive naturals, for example, 14620538 + ... + 14620674.

It is an arithmetic number, because the mean of its divisors is an integer number (32515560).

Almost surely, 2^2003023022 is an apocalyptic number.

2003023022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2003023022 is an abundant number, since it is smaller than the sum of its proper divisors (2158968658).

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

2003023022 is a wasteful number, since it uses less digits than its factorization.

2003023022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 2003023022 is about 44755.1452014179. The cubic root of 2003023022 is about 1260.5555251721. Note that the first 4 decimals are identical.

Adding to 2003023022 its reverse (2203203002), we get a palindrome (4206226024).

The spelling of 2003023022 in words is "two billion, three million, twenty-three thousand, twenty-two".