3722 has 4 divisors (see below), whose sum is σ = 5586. Its totient is φ = 1860.

The previous prime is 3719. The next prime is 3727. The reversal of 3722 is 2273.

Added to its reverse (2273) it gives a triangular number (5995 = T₁₀₉).

3722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 61²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3721 + 1 = 61^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3697 and 3706.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3722.

It is not an unprimeable number, because it can be changed into a prime (3727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 929 + ... + 932.

2³⁷²² is an apocalyptic number.

3722 is a deficient number, since it is larger than the sum of its proper divisors (1864).

3722 is a wasteful number, since it uses less digits than its factorization.

3722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863.

The product of its digits is 84, while the sum is 14.

The square root of 3722 is about 61.0081961707. The cubic root of 3722 is about 15.4973981064.

Adding to 3722 its reverse (2273), we get a palindrome (5995).

The spelling of 3722 in words is "three thousand, seven hundred twenty-two", and thus it is an iban number.