622632 has 16 divisors (see below), whose sum is σ = 1556640. Its totient is φ = 207536.

The previous prime is 622621. The next prime is 622637. The reversal of 622632 is 236226.

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 = 622599 and 622608.

It is not an unprimeable number, because it can be changed into a prime (622637) by changing a digit.

622632 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12948 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (97290).

2⁶²²⁶³² is an apocalyptic number.

It is an amenable number.

622632 is an abundant number, since it is smaller than the sum of its proper divisors (934008).

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

622632 is a wasteful number, since it uses less digits than its factorization.

622632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25952 (or 25948 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 622632 is about 789.0703390700. The cubic root of 622632 is about 85.3906813943.

Adding to 622632 its reverse (236226), we get a palindrome (858858).

The spelling of 622632 in words is "six hundred twenty-two thousand, six hundred thirty-two".