634802322 has 64 divisors (see below), whose sum is σ = 1590119424. Its totient is φ = 164130240.

The previous prime is 634802309. The next prime is 634802347. The reversal of 634802322 is 223208436.

It is a self number, because there is not a number n which added to its sum of digits gives 634802322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101848 + ... + 107900.

It is an arithmetic number, because the mean of its divisors is an integer number (24845616).

Almost surely, 2^634802322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634802322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795059712).

634802322 is an abundant number, since it is smaller than the sum of its proper divisors (955317102).

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

634802322 is a wasteful number, since it uses less digits than its factorization.

634802322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 634802322 is about 25195.2837253324. The cubic root of 634802322 is about 859.4346031291.

The spelling of 634802322 in words is "six hundred thirty-four million, eight hundred two thousand, three hundred twenty-two".