5178222 has 96 divisors (see below), whose sum is σ = 14227200. Its totient is φ = 1388016.

The previous prime is 5178193. The next prime is 5178301. The reversal of 5178222 is 2228715.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50223 + ... + 50325.

It is an arithmetic number, because the mean of its divisors is an integer number (148200).

Almost surely, 2^5178222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5178222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7113600).

5178222 is an abundant number, since it is smaller than the sum of its proper divisors (9048978).

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

5178222 is a wasteful number, since it uses less digits than its factorization.

5178222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 134 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 5178222 is about 2275.5706976493. The cubic root of 5178222 is about 173.0056242394.

The spelling of 5178222 in words is "five million, one hundred seventy-eight thousand, two hundred twenty-two".