382222020312 has 72 divisors (see below), whose sum is σ = 1137847603620. Its totient is φ = 115824852000.

The previous prime is 382222020311. The next prime is 382222020337. The reversal of 382222020312 is 213020222283.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×382222020312² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382222020311) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21927814 + ... + 21945237.

Almost surely, 2^382222020312 is an apocalyptic number.

It is an amenable number.

382222020312 is an abundant number, since it is smaller than the sum of its proper divisors (755625583308).

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

382222020312 is a wasteful number, since it uses less digits than its factorization.

382222020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43873085 (or 43873067 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 382222020312 its reverse (213020222283), we get a palindrome (595242242595).

The spelling of 382222020312 in words is "three hundred eighty-two billion, two hundred twenty-two million, twenty thousand, three hundred twelve".