222103321144477 has 2 divisors, whose sum is σ = 222103321144478. Its totient is φ = 222103321144476.

The previous prime is 222103321144459. The next prime is 222103321144547. The reversal of 222103321144477 is 774441123301222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207460063268676 + 14643257875801 = 14403474^2 + 3826651^2 .

It is a cyclic number.

It is not a de Polignac number, because 222103321144477 - 2²³ = 222103312755869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222103321144417) 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, 111051660572238 + 111051660572239.

It is an arithmetic number, because the mean of its divisors is an integer number (111051660572239).

Almost surely, 2^{222103321144477} is an apocalyptic number.

It is an amenable number.

222103321144477 is a deficient number, since it is larger than the sum of its proper divisors (1).

222103321144477 is an equidigital number, since it uses as much as digits as its factorization.

222103321144477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 43.

Adding to 222103321144477 its reverse (774441123301222), we get a palindrome (996544444445699).

The spelling of 222103321144477 in words is "two hundred twenty-two trillion, one hundred three billion, three hundred twenty-one million, one hundred forty-four thousand, four hundred seventy-seven".