222762740746181 has 2 divisors, whose sum is σ = 222762740746182. Its totient is φ = 222762740746180.

The previous prime is 222762740746129. The next prime is 222762740746237. The reversal of 222762740746181 is 181647047267222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218526001890625 + 4236738855556 = 14782625^2 + 2058334^2 .

It is a cyclic number.

It is not a de Polignac number, because 222762740746181 - 2²² = 222762736551877 is a prime.

It is a super-2 number, since 2×222762740746181² (a number of 29 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 222762740746181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222752740746181) 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, 111381370373090 + 111381370373091.

It is an arithmetic number, because the mean of its divisors is an integer number (111381370373091).

Almost surely, 2^{222762740746181} is an apocalyptic number.

It is an amenable number.

222762740746181 is a deficient number, since it is larger than the sum of its proper divisors (1).

222762740746181 is an equidigital number, since it uses as much as digits as its factorization.

222762740746181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25288704, while the sum is 59.

The spelling of 222762740746181 in words is "two hundred twenty-two trillion, seven hundred sixty-two billion, seven hundred forty million, seven hundred forty-six thousand, one hundred eighty-one".