322122212212 has 36 divisors (see below), whose sum is σ = 572134151820. Its totient is φ = 158690161152.

The previous prime is 322122212173. The next prime is 322122212249. The reversal of 322122212212 is 212212221223.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11779629156 + 310342583056 = 108534^2 + 557084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22012114 + ... + 22026742.

Almost surely, 2^322122212212 is an apocalyptic number.

It is an amenable number.

322122212212 is a deficient number, since it is larger than the sum of its proper divisors (250011939608).

322122212212 is a wasteful number, since it uses less digits than its factorization.

322122212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15812 (or 15737 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

Adding to 322122212212 its reverse (212212221223), we get a palindrome (534334433435).

It can be divided in two parts, 32212221221 and 2, that added together give a palindrome (32212221223).

The spelling of 322122212212 in words is "three hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twelve".