1022223012997 has 2 divisors, whose sum is σ = 1022223012998. Its totient is φ = 1022223012996.

The previous prime is 1022223012983. The next prime is 1022223013027. The reversal of 1022223012997 is 7992103222201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553229514436 + 468993498561 = 743794^2 + 684831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022223012997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022223112997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511111506498 + 511111506499.

It is an arithmetic number, because the mean of its divisors is an integer number (511111506499).

Almost surely, 2^{1022223012997} is an apocalyptic number.

It is an amenable number.

1022223012997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022223012997 is an equidigital number, since it uses as much as digits as its factorization.

1022223012997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 1022223012997 in words is "one trillion, twenty-two billion, two hundred twenty-three million, twelve thousand, nine hundred ninety-seven".