63622222636 has 12 divisors (see below), whose sum is σ = 127244445328. Its totient is φ = 27266666832.

The previous prime is 63622222613. The next prime is 63622222637.

63622222636 is nontrivially palindromic in base 10.

63622222636 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63622222637) 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, 1136111091 + ... + 1136111146.

Almost surely, 2^63622222636 is an apocalyptic number.

It is an amenable number.

63622222636 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.

63622222636 is a wasteful number, since it uses less digits than its factorization.

63622222636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272222248 (or 2272222246 counting only the distinct ones).

The product of its digits is 373248, while the sum is 40.

The spelling of 63622222636 in words is "sixty-three billion, six hundred twenty-two million, two hundred twenty-two thousand, six hundred thirty-six".