5211722 has 8 divisors (see below), whose sum is σ = 7870500. Its totient is φ = 2588224.

The previous prime is 5211721. The next prime is 5211727. The reversal of 5211722 is 2271125.

It can be written as a sum of positive squares in 2 ways, for example, as 3575881 + 1635841 = 1891^2 + 1279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5211694 and 5211703.

It is not an unprimeable number, because it can be changed into a prime (5211721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8447 + ... + 9042.

Almost surely, 2^5211722 is an apocalyptic number.

5211722 is a deficient number, since it is larger than the sum of its proper divisors (2658778).

5211722 is a wasteful number, since it uses less digits than its factorization.

5211722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640.

The product of its digits is 280, while the sum is 20.

The square root of 5211722 is about 2282.9196218877. The cubic root of 5211722 is about 173.3779035614.

Adding to 5211722 its reverse (2271125), we get a palindrome (7482847).

The spelling of 5211722 in words is "five million, two hundred eleven thousand, seven hundred twenty-two".