501222 has 8 divisors (see below), whose sum is σ = 1002456. Its totient is φ = 167072.

The previous prime is 501217. The next prime is 501223. The reversal of 501222 is 222105.

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

501222 is an admirable number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 501198 and 501207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41763 + ... + 41774.

It is an arithmetic number, because the mean of its divisors is an integer number (125307).

2⁵⁰¹²²² is an apocalyptic number.

501222 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.

501222 is a wasteful number, since it uses less digits than its factorization.

501222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83542.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 501222 is about 707.9703383617. The cubic root of 501222 is about 79.4346601295.

Adding to 501222 its reverse (222105), we get a palindrome (723327).

The spelling of 501222 in words is "five hundred one thousand, two hundred twenty-two".