5211222 has 8 divisors (see below), whose sum is σ = 10422456. Its totient is φ = 1737072.

The previous prime is 5211211. The next prime is 5211229. The reversal of 5211222 is 2221125.

It is a sphenic number, since it is the product of 3 distinct primes.

5211222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211229) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 434263 + ... + 434274.

It is an arithmetic number, because the mean of its divisors is an integer number (1302807).

Almost surely, 2^5211222 is an apocalyptic number.

5211222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5211222 is a wasteful number, since it uses less digits than its factorization.

5211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868542.

The product of its digits is 80, while the sum is 15.

The square root of 5211222 is about 2282.8101103684. The cubic root of 5211222 is about 173.3723588986.

Adding to 5211222 its reverse (2221125), we get a palindrome (7432347).

The spelling of 5211222 in words is "five million, two hundred eleven thousand, two hundred twenty-two".