22011022022257 has 2 divisors, whose sum is σ = 22011022022258. Its totient is φ = 22011022022256.

The previous prime is 22011022022207. The next prime is 22011022022309. The reversal of 22011022022257 is 75222022011022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19078995938401 + 2932026083856 = 4367951^2 + 1712316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011022022257 is a prime.

It is not a weakly prime, because it can be changed into another prime (22011022022207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005511011128 + 11005511011129.

It is an arithmetic number, because the mean of its divisors is an integer number (11005511011129).

Almost surely, 2^{22011022022257} is an apocalyptic number.

It is an amenable number.

22011022022257 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011022022257 is an equidigital number, since it uses as much as digits as its factorization.

22011022022257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 22011022022257 its reverse (75222022011022), we get a palindrome (97233044033279).

The spelling of 22011022022257 in words is "twenty-two trillion, eleven billion, twenty-two million, twenty-two thousand, two hundred fifty-seven".