2003722 has 16 divisors (see below), whose sum is σ = 3637440. Its totient is φ = 808128.

The previous prime is 2003681. The next prime is 2003723. The reversal of 2003722 is 2273002.

It is a happy number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2003696 and 2003705.

It is not an unprimeable number, because it can be changed into a prime (2003723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3972 + ... + 4447.

It is an arithmetic number, because the mean of its divisors is an integer number (227340).

2^2003722 is an apocalyptic number.

2003722 is a deficient number, since it is larger than the sum of its proper divisors (1633718).

2003722 is a wasteful number, since it uses less digits than its factorization.

2003722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 2003722 is about 1415.5288764275. The cubic root of 2003722 is about 126.0702136586.

Adding to 2003722 its reverse (2273002), we get a palindrome (4276724).

The spelling of 2003722 in words is "two million, three thousand, seven hundred twenty-two".