634220622 has 36 divisors (see below), whose sum is σ = 1598497056. Its totient is φ = 181205640.

The previous prime is 634220603. The next prime is 634220623. The reversal of 634220622 is 226022436.

634220622 is a `hidden beast` number, since 6 + 34 + 2 + 2 + 0 + 622 = 666.

634220622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634220623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 358654 + ... + 360417.

It is an arithmetic number, because the mean of its divisors is an integer number (44402696).

Almost surely, 2^634220622 is an apocalyptic number.

634220622 is an abundant number, since it is smaller than the sum of its proper divisors (964276434).

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

634220622 is a wasteful number, since it uses less digits than its factorization.

634220622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719093 (or 719083 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 634220622 is about 25183.7372524413. The cubic root of 634220622 is about 859.1720091039.

The spelling of 634220622 in words is "six hundred thirty-four million, two hundred twenty thousand, six hundred twenty-two".