222400131043187 has 2 divisors, whose sum is σ = 222400131043188. Its totient is φ = 222400131043186.

The previous prime is 222400131043163. The next prime is 222400131043219. The reversal of 222400131043187 is 781340131004222.

222400131043187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222400131043187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222400131043187.

It is not a weakly prime, because it can be changed into another prime (222400131043147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111200065521593 + 111200065521594.

It is an arithmetic number, because the mean of its divisors is an integer number (111200065521594).

Almost surely, 2^{222400131043187} is an apocalyptic number.

222400131043187 is a deficient number, since it is larger than the sum of its proper divisors (1).

222400131043187 is an equidigital number, since it uses as much as digits as its factorization.

222400131043187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 222400131043187 in words is "two hundred twenty-two trillion, four hundred billion, one hundred thirty-one million, forty-three thousand, one hundred eighty-seven".