63506422 has 8 divisors (see below), whose sum is σ = 108868176. Its totient is φ = 27217032.

The previous prime is 63506413. The next prime is 63506449. The reversal of 63506422 is 22460536.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2268073 + ... + 2268100.

It is an arithmetic number, because the mean of its divisors is an integer number (13608522).

Almost surely, 2^63506422 is an apocalyptic number.

63506422 is a deficient number, since it is larger than the sum of its proper divisors (45361754).

63506422 is a wasteful number, since it uses less digits than its factorization.

63506422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536182.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 63506422 is about 7969.0916671852. The cubic root of 63506422 is about 398.9690576776.

Adding to 63506422 its reverse (22460536), we get a palindrome (85966958).

The spelling of 63506422 in words is "sixty-three million, five hundred six thousand, four hundred twenty-two".