22222745297 has 2 divisors, whose sum is σ = 22222745298. Its totient is φ = 22222745296.

The previous prime is 22222745261. The next prime is 22222745351. The reversal of 22222745297 is 79254722222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16960113361 + 5262631936 = 130231^2 + 72544^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222745297 - 2¹² = 22222741201 is a prime.

It is not a weakly prime, because it can be changed into another prime (22222745197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111372648 + 11111372649.

It is an arithmetic number, because the mean of its divisors is an integer number (11111372649).

Almost surely, 2^22222745297 is an apocalyptic number.

It is an amenable number.

22222745297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222745297 is an equidigital number, since it uses as much as digits as its factorization.

22222745297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The spelling of 22222745297 in words is "twenty-two billion, two hundred twenty-two million, seven hundred forty-five thousand, two hundred ninety-seven".