1422324440261 has 2 divisors, whose sum is σ = 1422324440262. Its totient is φ = 1422324440260.

The previous prime is 1422324440189. The next prime is 1422324440297. The reversal of 1422324440261 is 1620444232241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 989845908100 + 432478532161 = 994910^2 + 657631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422324440261 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422324442261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711162220130 + 711162220131.

It is an arithmetic number, because the mean of its divisors is an integer number (711162220131).

Almost surely, 2^{1422324440261} is an apocalyptic number.

It is an amenable number.

1422324440261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422324440261 is an equidigital number, since it uses as much as digits as its factorization.

1422324440261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 1422324440261 in words is "one trillion, four hundred twenty-two billion, three hundred twenty-four million, four hundred forty thousand, two hundred sixty-one".