63438222 has 8 divisors (see below), whose sum is σ = 126876456. Its totient is φ = 21146072.

The previous prime is 63438217. The next prime is 63438227. The reversal of 63438222 is 22283436.

It is an interprime number because it is at equal distance from previous prime (63438217) and next prime (63438227).

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

63438222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 63438222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63438227) 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, 5286513 + ... + 5286524.

It is an arithmetic number, because the mean of its divisors is an integer number (15859557).

Almost surely, 2^63438222 is an apocalyptic number.

63438222 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.

63438222 is a wasteful number, since it uses less digits than its factorization.

63438222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573042.

The product of its digits is 13824, while the sum is 30.

The square root of 63438222 is about 7964.8114855281. The cubic root of 63438222 is about 398.8261879493.

The spelling of 63438222 in words is "sixty-three million, four hundred thirty-eight thousand, two hundred twenty-two".