22200257904389 has 2 divisors, whose sum is σ = 22200257904390. Its totient is φ = 22200257904388.

The previous prime is 22200257904353. The next prime is 22200257904491. The reversal of 22200257904389 is 98340975200222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21634126562500 + 566131341889 = 4651250^2 + 752417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22200257904389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22200257904389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200257904329) 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, 11100128952194 + 11100128952195.

It is an arithmetic number, because the mean of its divisors is an integer number (11100128952195).

Almost surely, 2^{22200257904389} is an apocalyptic number.

It is an amenable number.

22200257904389 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200257904389 is an equidigital number, since it uses as much as digits as its factorization.

22200257904389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 22200257904389 in words is "twenty-two trillion, two hundred billion, two hundred fifty-seven million, nine hundred four thousand, three hundred eighty-nine".