222122220330312 has 24 divisors (see below), whose sum is σ = 601581013394790. Its totient is φ = 74040740110080.

The previous prime is 222122220330259. The next prime is 222122220330359. The reversal of 222122220330312 is 213033022221222.

222122220330312 is a `hidden beast` number, since 2 + 2 + 2 + 12 + 2 + 2 + 2 + 0 + 330 + 312 = 666.

It can be written as a sum of positive squares in only one way, i.e., 140984894174436 + 81137326155876 = 11873706^2 + 9007626^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1542515418889 + ... + 1542515419032.

Almost surely, 2^{222122220330312} is an apocalyptic number.

It is an amenable number.

222122220330312 is an abundant number, since it is smaller than the sum of its proper divisors (379458793064478).

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

222122220330312 is a wasteful number, since it uses less digits than its factorization.

222122220330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085030837933 (or 3085030837926 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 222122220330312 its reverse (213033022221222), we get a palindrome (435155242551534).

The spelling of 222122220330312 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, three hundred thirty thousand, three hundred twelve".