22444140154297 has 2 divisors, whose sum is σ = 22444140154298. Its totient is φ = 22444140154296.

The previous prime is 22444140154259. The next prime is 22444140154321. The reversal of 22444140154297 is 79245104144422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19977494005161 + 2466646149136 = 4469619^2 + 1570556^2 .

It is a cyclic number.

It is not a de Polignac number, because 22444140154297 - 2¹¹ = 22444140152249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22444140154297.

It is not a weakly prime, because it can be changed into another prime (22444140154207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222070077148 + 11222070077149.

It is an arithmetic number, because the mean of its divisors is an integer number (11222070077149).

Almost surely, 2^{22444140154297} is an apocalyptic number.

It is an amenable number.

22444140154297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22444140154297 is an equidigital number, since it uses as much as digits as its factorization.

22444140154297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 22444140154297 in words is "twenty-two trillion, four hundred forty-four billion, one hundred forty million, one hundred fifty-four thousand, two hundred ninety-seven".