5721422 has 16 divisors (see below), whose sum is σ = 10125312. Its totient is φ = 2372760.

The previous prime is 5721409. The next prime is 5721431. The reversal of 5721422 is 2241275.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6158 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (632832).

Almost surely, 2^5721422 is an apocalyptic number.

5721422 is a deficient number, since it is larger than the sum of its proper divisors (4403890).

5721422 is a wasteful number, since it uses less digits than its factorization.

5721422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13223.

The product of its digits is 1120, while the sum is 23.

The square root of 5721422 is about 2391.9494141808. The cubic root of 5721422 is about 178.8550994882.

Adding to 5721422 its reverse (2241275), we get a palindrome (7962697).

The spelling of 5721422 in words is "five million, seven hundred twenty-one thousand, four hundred twenty-two".