22145654093 has 2 divisors, whose sum is σ = 22145654094. Its totient is φ = 22145654092.

The previous prime is 22145654081. The next prime is 22145654123. The reversal of 22145654093 is 39045654122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19282655044 + 2862999049 = 138862^2 + 53507^2 .

It is a cyclic number.

It is not a de Polignac number, because 22145654093 - 2¹⁰ = 22145653069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22145654093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22145654593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072827046 + 11072827047.

It is an arithmetic number, because the mean of its divisors is an integer number (11072827047).

Almost surely, 2^22145654093 is an apocalyptic number.

It is an amenable number.

22145654093 is a deficient number, since it is larger than the sum of its proper divisors (1).

22145654093 is an equidigital number, since it uses as much as digits as its factorization.

22145654093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 22145654093 in words is "twenty-two billion, one hundred forty-five million, six hundred fifty-four thousand, ninety-three".