22252366520249 has 2 divisors, whose sum is σ = 22252366520250. Its totient is φ = 22252366520248.

The previous prime is 22252366520201. The next prime is 22252366520261. The reversal of 22252366520249 is 94202566325222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21117517344400 + 1134849175849 = 4595380^2 + 1065293^2 .

It is a cyclic number.

It is not a de Polignac number, because 22252366520249 - 2⁸ = 22252366519993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22252366520197 and 22252366520206.

It is not a weakly prime, because it can be changed into another prime (22252366520849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11126183260124 + 11126183260125.

It is an arithmetic number, because the mean of its divisors is an integer number (11126183260125).

Almost surely, 2^{22252366520249} is an apocalyptic number.

It is an amenable number.

22252366520249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22252366520249 is an equidigital number, since it uses as much as digits as its factorization.

22252366520249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 22252366520249 in words is "twenty-two trillion, two hundred fifty-two billion, three hundred sixty-six million, five hundred twenty thousand, two hundred forty-nine".