222221001193 has 2 divisors, whose sum is σ = 222221001194. Its totient is φ = 222221001192.

The previous prime is 222221001181. The next prime is 222221001367. The reversal of 222221001193 is 391100122222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116327380624 + 105893620569 = 341068^2 + 325413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222221001193 is a prime.

It is not a weakly prime, because it can be changed into another prime (222221001133) 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, 111110500596 + 111110500597.

It is an arithmetic number, because the mean of its divisors is an integer number (111110500597).

Almost surely, 2^222221001193 is an apocalyptic number.

It is an amenable number.

222221001193 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221001193 is an equidigital number, since it uses as much as digits as its factorization.

222221001193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 222221001193 in words is "two hundred twenty-two billion, two hundred twenty-one million, one thousand, one hundred ninety-three".