222120222187 has 2 divisors, whose sum is σ = 222120222188. Its totient is φ = 222120222186.

The previous prime is 222120222169. The next prime is 222120222227. The reversal of 222120222187 is 781222021222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222120222187 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120222587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060111093 + 111060111094.

It is an arithmetic number, because the mean of its divisors is an integer number (111060111094).

Almost surely, 2^222120222187 is an apocalyptic number.

222120222187 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120222187 is an equidigital number, since it uses as much as digits as its factorization.

222120222187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 31.

The spelling of 222120222187 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, one hundred eighty-seven".