63685422 has 24 divisors (see below), whose sum is σ = 138322080. Its totient is φ = 21176640.

The previous prime is 63685411. The next prime is 63685429. The reversal of 63685422 is 22458636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63685429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3654 + ... + 11862.

It is an arithmetic number, because the mean of its divisors is an integer number (5763420).

Almost surely, 2^63685422 is an apocalyptic number.

63685422 is an abundant number, since it is smaller than the sum of its proper divisors (74636658).

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

63685422 is a wasteful number, since it uses less digits than its factorization.

63685422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648 (or 8645 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 63685422 is about 7980.3146554506. The cubic root of 63685422 is about 399.3435524475.

The spelling of 63685422 in words is "sixty-three million, six hundred eighty-five thousand, four hundred twenty-two".