622412 has 12 divisors (see below), whose sum is σ = 1244880. Its totient is φ = 266736.

The previous prime is 622399. The next prime is 622423. The reversal of 622412 is 214226.

622412 is an admirable number.

It is an unprimeable number.

622412 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 3 ways as a sum of consecutive naturals, for example, 11087 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (103740).

2⁶²²⁴¹² is an apocalyptic number.

It is an amenable number.

622412 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.

622412 is a wasteful number, since it uses less digits than its factorization.

622412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240 (or 22238 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 622412 is about 788.9309221979. The cubic root of 622412 is about 85.3806229312.

Adding to 622412 its reverse (214226), we get a palindrome (836638).

The spelling of 622412 in words is "six hundred twenty-two thousand, four hundred twelve".