222120212220222 has 16 divisors (see below), whose sum is σ = 463555225503360. Its totient is φ = 70820937229592.

The previous prime is 222120212220163. The next prime is 222120212220281. The reversal of 222120212220222 is 222022212021222.

It is an interprime number because it is at equal distance from previous prime (222120212220163) and next prime (222120212220281).

It is a junction number, because it is equal to n+sod(n) for n = 222120212220192 and 222120212220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804783377472 + ... + 804783377747.

It is an arithmetic number, because the mean of its divisors is an integer number (28972201593960).

Almost surely, 2^{222120212220222} is an apocalyptic number.

222120212220222 is an abundant number, since it is smaller than the sum of its proper divisors (241435013283138).

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

222120212220222 is a wasteful number, since it uses less digits than its factorization.

222120212220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609566755247.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 222120212220222 its reverse (222022212021222), we get a palindrome (444142424241444).

The spelling of 222120212220222 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-two".