632822420 has 12 divisors (see below), whose sum is σ = 1328927124. Its totient is φ = 253128960.

The previous prime is 632822419. The next prime is 632822431. The reversal of 632822420 is 24228236.

It can be written as a sum of positive squares in 2 ways, for example, as 474716944 + 158105476 = 21788^2 + 12574^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 15820541 + ... + 15820580.

It is an arithmetic number, because the mean of its divisors is an integer number (110743927).

Almost surely, 2^632822420 is an apocalyptic number.

It is an amenable number.

632822420 is an abundant number, since it is smaller than the sum of its proper divisors (696104704).

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

632822420 is a wasteful number, since it uses less digits than its factorization.

632822420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31641130 (or 31641128 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 632822420 is about 25155.9619176051. The cubic root of 632822420 is about 858.5401680408.

The spelling of 632822420 in words is "six hundred thirty-two million, eight hundred twenty-two thousand, four hundred twenty".