63222456312 has 80 divisors (see below), whose sum is σ = 177117312240. Its totient is φ = 21069880704.

The previous prime is 63222456307. The next prime is 63222456313. The reversal of 63222456312 is 21365422236.

63222456312 is a `hidden beast` number, since 63 + 2 + 2 + 24 + 563 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63222456313) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6107413 + ... + 6117755.

It is an arithmetic number, because the mean of its divisors is an integer number (2213966403).

Almost surely, 2^63222456312 is an apocalyptic number.

It is an amenable number.

63222456312 is an abundant number, since it is smaller than the sum of its proper divisors (113894855928).

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

63222456312 is a wasteful number, since it uses less digits than its factorization.

63222456312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19794 (or 19781 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 63222456312 its reverse (21365422236), we get a palindrome (84587878548).

The spelling of 63222456312 in words is "sixty-three billion, two hundred twenty-two million, four hundred fifty-six thousand, three hundred twelve".