629222 has 16 divisors (see below), whose sum is σ = 1058832. Its totient is φ = 277920.

The previous prime is 629203. The next prime is 629243. The reversal of 629222 is 222926.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

629222 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428 + ... + 1200.

It is an arithmetic number, because the mean of its divisors is an integer number (66177).

2⁶²⁹²²² is an apocalyptic number.

629222 is a deficient number, since it is larger than the sum of its proper divisors (429610).

629222 is a wasteful number, since it uses less digits than its factorization.

629222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its digits is 864, while the sum is 23.

The square root of 629222 is about 793.2351479858. The cubic root of 629222 is about 85.6908859405.

The spelling of 629222 in words is "six hundred twenty-nine thousand, two hundred twenty-two".