5722209 has 6 divisors (see below), whose sum is σ = 8265426. Its totient is φ = 3814800.

The previous prime is 5722201. The next prime is 5722219. The reversal of 5722209 is 9022275.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4422609 + 1299600 = 2103^2 + 1140^2 .

It is not a de Polignac number, because 5722209 - 2³ = 5722201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5722201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 317892 + ... + 317909.

It is an arithmetic number, because the mean of its divisors is an integer number (1377571).

Almost surely, 2^5722209 is an apocalyptic number.

It is an amenable number.

5722209 is a deficient number, since it is larger than the sum of its proper divisors (2543217).

5722209 is a wasteful number, since it uses less digits than its factorization.

5722209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635807 (or 635804 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 5722209 is about 2392.1139186920. The cubic root of 5722209 is about 178.8632998103.

The spelling of 5722209 in words is "five million, seven hundred twenty-two thousand, two hundred nine".