22011320297 has 2 divisors, whose sum is σ = 22011320298. Its totient is φ = 22011320296.

The previous prime is 22011320263. The next prime is 22011320327. The reversal of 22011320297 is 79202311022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19225486336 + 2785833961 = 138656^2 + 52781^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011320297 - 2¹⁰ = 22011319273 is a prime.

It is a super-3 number, since 3×22011320297³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22011320797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005660148 + 11005660149.

It is an arithmetic number, because the mean of its divisors is an integer number (11005660149).

Almost surely, 2^22011320297 is an apocalyptic number.

It is an amenable number.

22011320297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011320297 is an equidigital number, since it uses as much as digits as its factorization.

22011320297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 22011320297 in words is "twenty-two billion, eleven million, three hundred twenty thousand, two hundred ninety-seven".