222001220002187 has 2 divisors, whose sum is σ = 222001220002188. Its totient is φ = 222001220002186.

The previous prime is 222001220002171. The next prime is 222001220002201. The reversal of 222001220002187 is 781200022100222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222001220002187 - 2⁴ = 222001220002171 is a prime.

It is not a weakly prime, because it can be changed into another prime (222001220002687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000610001093 + 111000610001094.

It is an arithmetic number, because the mean of its divisors is an integer number (111000610001094).

Almost surely, 2^{222001220002187} is an apocalyptic number.

222001220002187 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001220002187 is an equidigital number, since it uses as much as digits as its factorization.

222001220002187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

The spelling of 222001220002187 in words is "two hundred twenty-two trillion, one billion, two hundred twenty million, two thousand, one hundred eighty-seven".