629622 has 48 divisors (see below), whose sum is σ = 1647360. Its totient is φ = 169776.

The previous prime is 629617. The next prime is 629623. The reversal of 629622 is 226926.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629623) by changing a digit.

629622 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 23 ways as a sum of consecutive naturals, for example, 2263 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (34320).

2⁶²⁹⁶²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 629622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823680).

629622 is an abundant number, since it is smaller than the sum of its proper divisors (1017738).

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

629622 is a wasteful number, since it uses less digits than its factorization.

629622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 294 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 629622 is about 793.4872399730. The cubic root of 629622 is about 85.7090401552.

The spelling of 629622 in words is "six hundred twenty-nine thousand, six hundred twenty-two".