422622 has 24 divisors (see below), whose sum is σ = 935064. Its totient is φ = 137904.

The previous prime is 422621. The next prime is 422627. The reversal of 422622 is 226224.

It is a happy number.

422622 is a `hidden beast` number, since 42 + 2 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 422595 and 422604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (38961).

2⁴²²⁶²² is an apocalyptic number.

422622 is an abundant number, since it is smaller than the sum of its proper divisors (512442).

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

422622 is a wasteful number, since it uses less digits than its factorization.

422622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 501 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 422622 is about 650.0938393801. The cubic root of 422622 is about 75.0442405652.

Adding to 422622 its reverse (226224), we get a palindrome (648846).

The spelling of 422622 in words is "four hundred twenty-two thousand, six hundred twenty-two".