63422620 has 12 divisors (see below), whose sum is σ = 133187544. Its totient is φ = 25369040.

The previous prime is 63422617. The next prime is 63422651. The reversal of 63422620 is 2622436.

It is a happy number.

63422620 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 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, 1585546 + ... + 1585585.

It is an arithmetic number, because the mean of its divisors is an integer number (11098962).

Almost surely, 2^63422620 is an apocalyptic number.

It is an amenable number.

63422620 is an abundant number, since it is smaller than the sum of its proper divisors (69764924).

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

63422620 is a wasteful number, since it uses less digits than its factorization.

63422620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171140 (or 3171138 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 63422620 is about 7963.8319922007. The cubic root of 63422620 is about 398.7934894899.

The spelling of 63422620 in words is "sixty-three million, four hundred twenty-two thousand, six hundred twenty".