622609632 has 384 divisors, whose sum is σ = 2133734400. Its totient is φ = 175177728.

The previous prime is 622609621. The next prime is 622609639. The reversal of 622609632 is 236906226.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622609639) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 6418608 + ... + 6418704.

It is an arithmetic number, because the mean of its divisors is an integer number (5556600).

Almost surely, 2^622609632 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 622609632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066867200).

622609632 is an abundant number, since it is smaller than the sum of its proper divisors (1511124768).

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

622609632 is a wasteful number, since it uses less digits than its factorization.

622609632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 622609632 is about 24952.1468415044. The cubic root of 622609632 is about 853.8965883116.

The spelling of 622609632 in words is "six hundred twenty-two million, six hundred nine thousand, six hundred thirty-two".