5186722 has 4 divisors (see below), whose sum is σ = 7780086. Its totient is φ = 2593360.

The previous prime is 5186689. The next prime is 5186729. The reversal of 5186722 is 2276815.

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., 3884841 + 1301881 = 1971^2 + 1141^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5186729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1296679 + ... + 1296682.

Almost surely, 2^5186722 is an apocalyptic number.

5186722 is a deficient number, since it is larger than the sum of its proper divisors (2593364).

5186722 is a wasteful number, since it uses less digits than its factorization.

5186722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593363.

The product of its digits is 6720, while the sum is 31.

The square root of 5186722 is about 2277.4375951933. The cubic root of 5186722 is about 173.1002348290.

The spelling of 5186722 in words is "five million, one hundred eighty-six thousand, seven hundred twenty-two".