5722 has 4 divisors (see below), whose sum is σ = 8586. Its totient is φ = 2860.

The previous prime is 5717. The next prime is 5737. The reversal of 5722 is 2275.

It is a happy number.

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., 4761 + 961 = 69^2 + 31^2 .

It is a plaindrome in base 12.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 5696 and 5705.

It is an unprimeable number.

5722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1429 + ... + 1432.

2⁵⁷²² is an apocalyptic number.

5722 is a deficient number, since it is larger than the sum of its proper divisors (2864).

5722 is a wasteful number, since it uses less digits than its factorization.

5722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863.

The product of its digits is 140, while the sum is 16.

The square root of 5722 is about 75.6439025963. The cubic root of 5722 is about 17.8861122162.

Adding to 5722 its reverse (2275), we get a palindrome (7997).

It can be divided in two parts, 5 and 722, that added together give a palindrome (727).

The spelling of 5722 in words is "five thousand, seven hundred twenty-two".