222763541663309 has 2 divisors, whose sum is σ = 222763541663310. Its totient is φ = 222763541663308.

The previous prime is 222763541663291. The next prime is 222763541663353. The reversal of 222763541663309 is 903366145367222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191408055100900 + 31355486562409 = 13835030^2 + 5599597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222763541663309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222763541663359) 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, 111381770831654 + 111381770831655.

It is an arithmetic number, because the mean of its divisors is an integer number (111381770831655).

Almost surely, 2^{222763541663309} is an apocalyptic number.

It is an amenable number.

222763541663309 is a deficient number, since it is larger than the sum of its proper divisors (1).

222763541663309 is an equidigital number, since it uses as much as digits as its factorization.

222763541663309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58786560, while the sum is 59.

The spelling of 222763541663309 in words is "two hundred twenty-two trillion, seven hundred sixty-three billion, five hundred forty-one million, six hundred sixty-three thousand, three hundred nine".