63822138 has 8 divisors (see below), whose sum is σ = 127644288. Its totient is φ = 21274044.

The previous prime is 63822137. The next prime is 63822169. The reversal of 63822138 is 83122836.

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

63822138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 63822099 and 63822108.

It is not an unprimeable number, because it can be changed into a prime (63822137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318506 + ... + 5318517.

It is an arithmetic number, because the mean of its divisors is an integer number (15955536).

Almost surely, 2^63822138 is an apocalyptic number.

63822138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63822138 is a wasteful number, since it uses less digits than its factorization.

63822138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10637028.

The product of its digits is 13824, while the sum is 33.

The square root of 63822138 is about 7988.8758908873. The cubic root of 63822138 is about 399.6291103752.

The spelling of 63822138 in words is "sixty-three million, eight hundred twenty-two thousand, one hundred thirty-eight".