622432 has 24 divisors (see below), whose sum is σ = 1251936. Its totient is φ = 304512.

The previous prime is 622423. The next prime is 622477. The reversal of 622432 is 234226.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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, 1513 + ... + 1879.

It is an arithmetic number, because the mean of its divisors is an integer number (52164).

2⁶²²⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625968).

622432 is an abundant number, since it is smaller than the sum of its proper divisors (629504).

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

622432 is a wasteful number, since it uses less digits than its factorization.

622432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 422 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 622432 is about 788.9435974770. The cubic root of 622432 is about 85.3815374349.

Adding to 622432 its reverse (234226), we get a palindrome (856658).

The spelling of 622432 in words is "six hundred twenty-two thousand, four hundred thirty-two".