2003012244 has 36 divisors (see below), whose sum is σ = 5070645216. Its totient is φ = 666685008.

The previous prime is 2003012213. The next prime is 2003012257. The reversal of 2003012244 is 4422103002.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2003012244² = 8024116099227831072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16144 + ... + 65319.

It is an arithmetic number, because the mean of its divisors is an integer number (140851256).

Almost surely, 2^2003012244 is an apocalyptic number.

It is an amenable number.

2003012244 is an abundant number, since it is smaller than the sum of its proper divisors (3067632972).

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

2003012244 is a wasteful number, since it uses less digits than its factorization.

2003012244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82156 (or 82151 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2003012244 is about 44755.0247905193. The cubic root of 2003012244 is about 1260.5532642076.

Adding to 2003012244 its reverse (4422103002), we get a palindrome (6425115246).

The spelling of 2003012244 in words is "two billion, three million, twelve thousand, two hundred forty-four".