629220 has 24 divisors (see below), whose sum is σ = 1761984. Its totient is φ = 167776.

The previous prime is 629203. The next prime is 629243. The reversal of 629220 is 22926.

It is a happy number.

629220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 629220.

It is an unprimeable number.

629220 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, 5184 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (73416).

2⁶²⁹²²⁰ is an apocalyptic number.

629220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

629220 is an abundant number, since it is smaller than the sum of its proper divisors (1132764).

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

629220 is a wasteful number, since it uses less digits than its factorization.

629220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10499 (or 10497 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 629220 is about 793.2338873245. The cubic root of 629220 is about 85.6907951501.

The spelling of 629220 in words is "six hundred twenty-nine thousand, two hundred twenty".