5172222 has 16 divisors (see below), whose sum is σ = 11284992. Its totient is φ = 1567320.

The previous prime is 5172221. The next prime is 5172227. The reversal of 5172222 is 2222715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39118 + ... + 39249.

It is an arithmetic number, because the mean of its divisors is an integer number (705312).

Almost surely, 2^5172222 is an apocalyptic number.

5172222 is an abundant number, since it is smaller than the sum of its proper divisors (6112770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5172222 is a wasteful number, since it uses less digits than its factorization.

5172222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78383.

The product of its digits is 560, while the sum is 21.

The square root of 5172222 is about 2274.2519649326. The cubic root of 5172222 is about 172.9387779405.

Adding to 5172222 its reverse (2222715), we get a palindrome (7394937).

The spelling of 5172222 in words is "five million, one hundred seventy-two thousand, two hundred twenty-two".