22223025344161 has 2 divisors, whose sum is σ = 22223025344162. Its totient is φ = 22223025344160.

The previous prime is 22223025344101. The next prime is 22223025344209. The reversal of 22223025344161 is 16144352032222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15375613380625 + 6847411963536 = 3921175^2 + 2616756^2 .

It is a cyclic number.

It is not a de Polignac number, because 22223025344161 - 2⁷ = 22223025344033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22223025344161.

It is not a weakly prime, because it can be changed into another prime (22223025344101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111512672080 + 11111512672081.

It is an arithmetic number, because the mean of its divisors is an integer number (11111512672081).

Almost surely, 2^{22223025344161} is an apocalyptic number.

It is an amenable number.

22223025344161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223025344161 is an equidigital number, since it uses as much as digits as its factorization.

22223025344161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 22223025344161 its reverse (16144352032222), we get a palindrome (38367377376383).

The spelling of 22223025344161 in words is "twenty-two trillion, two hundred twenty-three billion, twenty-five million, three hundred forty-four thousand, one hundred sixty-one".