222061806719 has 2 divisors, whose sum is σ = 222061806720. Its totient is φ = 222061806718.

The previous prime is 222061806647. The next prime is 222061806763. The reversal of 222061806719 is 917608160222.

It is a happy number.

It is an a-pointer prime, because the next prime (222061806763) can be obtained adding 222061806719 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222061806719 - 2²⁸ = 221793371263 is a prime.

It is a super-2 number, since 2×222061806719² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222061806719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222061856719) 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, 111030903359 + 111030903360.

It is an arithmetic number, because the mean of its divisors is an integer number (111030903360).

Almost surely, 2^222061806719 is an apocalyptic number.

222061806719 is a deficient number, since it is larger than the sum of its proper divisors (1).

222061806719 is an equidigital number, since it uses as much as digits as its factorization.

222061806719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The spelling of 222061806719 in words is "two hundred twenty-two billion, sixty-one million, eight hundred six thousand, seven hundred nineteen".