222010091819 has 2 divisors, whose sum is σ = 222010091820. Its totient is φ = 222010091818.

The previous prime is 222010091791. The next prime is 222010091851. The reversal of 222010091819 is 918190010222.

222010091819 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-222010091819 is a prime.

It is a super-2 number, since 2×222010091819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222010091519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005045909 + 111005045910.

It is an arithmetic number, because the mean of its divisors is an integer number (111005045910).

Almost surely, 2^222010091819 is an apocalyptic number.

222010091819 is a deficient number, since it is larger than the sum of its proper divisors (1).

222010091819 is an equidigital number, since it uses as much as digits as its factorization.

222010091819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 222010091819 in words is "two hundred twenty-two billion, ten million, ninety-one thousand, eight hundred nineteen".