63218002 has 8 divisors (see below), whose sum is σ = 100405116. Its totient is φ = 29749632.

The previous prime is 63217993. The next prime is 63218003. The reversal of 63218002 is 20081236.

It can be written as a sum of positive squares in 2 ways, for example, as 54331641 + 8886361 = 7371^2 + 2981^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63218003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929643 + ... + 929710.

Almost surely, 2^63218002 is an apocalyptic number.

63218002 is a deficient number, since it is larger than the sum of its proper divisors (37187114).

63218002 is a wasteful number, since it uses less digits than its factorization.

63218002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859372.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 63218002 is about 7950.9749087769. The cubic root of 63218002 is about 398.3641566612.

Adding to 63218002 its reverse (20081236), we get a palindrome (83299238).

The spelling of 63218002 in words is "sixty-three million, two hundred eighteen thousand, two".