5171222 has 32 divisors (see below), whose sum is σ = 9400320. Its totient is φ = 2086560.

The previous prime is 5171209. The next prime is 5171237. The reversal of 5171222 is 2221715.

It is a junction number, because it is equal to n+sod(n) for n = 5171194 and 5171203.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18947 + ... + 19217.

It is an arithmetic number, because the mean of its divisors is an integer number (293760).

Almost surely, 2^5171222 is an apocalyptic number.

5171222 is a deficient number, since it is larger than the sum of its proper divisors (4229098).

5171222 is a wasteful number, since it uses less digits than its factorization.

5171222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

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

The square root of 5171222 is about 2274.0321017963. The cubic root of 5171222 is about 172.9276318654.

Adding to 5171222 its reverse (2221715), we get a palindrome (7392937).

The spelling of 5171222 in words is "five million, one hundred seventy-one thousand, two hundred twenty-two".