22245788093777 has 2 divisors, whose sum is σ = 22245788093778. Its totient is φ = 22245788093776.

The previous prime is 22245788093671. The next prime is 22245788093863. The reversal of 22245788093777 is 77739088754222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20565508476241 + 1680279617536 = 4534921^2 + 1296256^2 .

It is a cyclic number.

It is not a de Polignac number, because 22245788093777 - 2¹⁶ = 22245788028241 is a prime.

It is a super-2 number, since 2×22245788093777² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22245788093777.

It is not a weakly prime, because it can be changed into another prime (22245788293777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11122894046888 + 11122894046889.

It is an arithmetic number, because the mean of its divisors is an integer number (11122894046889).

Almost surely, 2^{22245788093777} is an apocalyptic number.

It is an amenable number.

22245788093777 is a deficient number, since it is larger than the sum of its proper divisors (1).

22245788093777 is an equidigital number, since it uses as much as digits as its factorization.

22245788093777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663828480, while the sum is 71.

The spelling of 22245788093777 in words is "twenty-two trillion, two hundred forty-five billion, seven hundred eighty-eight million, ninety-three thousand, seven hundred seventy-seven".