5291722 has 4 divisors (see below), whose sum is σ = 7937586. Its totient is φ = 2645860.

The previous prime is 5291719. The next prime is 5291723. The reversal of 5291722 is 2271925.

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., 3272481 + 2019241 = 1809^2 + 1421^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5291723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322929 + ... + 1322932.

Almost surely, 2^5291722 is an apocalyptic number.

5291722 is a deficient number, since it is larger than the sum of its proper divisors (2645864).

5291722 is a wasteful number, since it uses less digits than its factorization.

5291722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645863.

The product of its digits is 2520, while the sum is 28.

The square root of 5291722 is about 2300.3743173666. The cubic root of 5291722 is about 174.2605204750.

The spelling of 5291722 in words is "five million, two hundred ninety-one thousand, seven hundred twenty-two".