22250214324161 has 2 divisors, whose sum is σ = 22250214324162. Its totient is φ = 22250214324160.

The previous prime is 22250214324139. The next prime is 22250214324241. The reversal of 22250214324161 is 16142341205222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18610112835136 + 3640101489025 = 4313944^2 + 1907905^2 .

It is a cyclic number.

It is not a de Polignac number, because 22250214324161 - 2⁶ = 22250214324097 is a prime.

It is not a weakly prime, because it can be changed into another prime (22250214024161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11125107162080 + 11125107162081.

It is an arithmetic number, because the mean of its divisors is an integer number (11125107162081).

Almost surely, 2^{22250214324161} is an apocalyptic number.

It is an amenable number.

22250214324161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22250214324161 is an equidigital number, since it uses as much as digits as its factorization.

22250214324161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 22250214324161 its reverse (16142341205222), we get a palindrome (38392555529383).

The spelling of 22250214324161 in words is "twenty-two trillion, two hundred fifty billion, two hundred fourteen million, three hundred twenty-four thousand, one hundred sixty-one".