63995922 has 48 divisors (see below), whose sum is σ = 147532320. Its totient is φ = 19979136.

The previous prime is 63995909. The next prime is 63995969. The reversal of 63995922 is 22959936.

63995922 is a `hidden beast` number, since 639 + 9 + 5 + 9 + 2 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86229 + ... + 86967.

It is an arithmetic number, because the mean of its divisors is an integer number (3073590).

Almost surely, 2^63995922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63995922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73766160).

63995922 is an abundant number, since it is smaller than the sum of its proper divisors (83536398).

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

63995922 is a wasteful number, since it uses less digits than its factorization.

63995922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1044 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 63995922 is about 7999.7451209398. The cubic root of 63995922 is about 399.9915039862.

It can be divided in two parts, 6399 and 5922, that added together give a palindrome (12321).

The spelling of 63995922 in words is "sixty-three million, nine hundred ninety-five thousand, nine hundred twenty-two".