622212 has 24 divisors (see below), whose sum is σ = 1528800. Its totient is φ = 196416.

The previous prime is 622189. The next prime is 622241. The reversal of 622212 is 212226.

622212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 622191 and 622200.

It is an unprimeable number.

622212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (63700).

2⁶²²²¹² is an apocalyptic number.

It is an amenable number.

622212 is an abundant number, since it is smaller than the sum of its proper divisors (906588).

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

622212 is a wasteful number, since it uses less digits than its factorization.

622212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2753 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 622212 is about 788.8041582041. The cubic root of 622212 is about 85.3714768169.

Adding to 622212 its reverse (212226), we get a palindrome (834438).

The spelling of 622212 in words is "six hundred twenty-two thousand, two hundred twelve".