22003798378973 has 2 divisors, whose sum is σ = 22003798378974. Its totient is φ = 22003798378972.

The previous prime is 22003798378957. The next prime is 22003798378999. The reversal of 22003798378973 is 37987389730022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11637117787684 + 10366680591289 = 3411322^2 + 3219733^2 .

It is a cyclic number.

It is not a de Polignac number, because 22003798378973 - 2⁴ = 22003798378957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22003798378073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001899189486 + 11001899189487.

It is an arithmetic number, because the mean of its divisors is an integer number (11001899189487).

Almost surely, 2^{22003798378973} is an apocalyptic number.

It is an amenable number.

22003798378973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22003798378973 is an equidigital number, since it uses as much as digits as its factorization.

22003798378973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192036096, while the sum is 68.

The spelling of 22003798378973 in words is "twenty-two trillion, three billion, seven hundred ninety-eight million, three hundred seventy-eight thousand, nine hundred seventy-three".