222120209947 has 2 divisors, whose sum is σ = 222120209948. Its totient is φ = 222120209946.

The previous prime is 222120209903. The next prime is 222120209963. The reversal of 222120209947 is 749902021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222120209947 - 2¹¹ = 222120207899 is a prime.

It is not a weakly prime, because it can be changed into another prime (222120209447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060104973 + 111060104974.

It is an arithmetic number, because the mean of its divisors is an integer number (111060104974).

Almost surely, 2^222120209947 is an apocalyptic number.

222120209947 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120209947 is an equidigital number, since it uses as much as digits as its factorization.

222120209947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 222120209947 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred nine thousand, nine hundred forty-seven".