378222503 has 2 divisors, whose sum is σ = 378222504. Its totient is φ = 378222502.

The previous prime is 378222491. The next prime is 378222521. The reversal of 378222503 is 305222873.

It is a weak prime.

It is an emirp because it is prime and its reverse (305222873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378222503 - 2¹⁰ = 378221479 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378222503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378222703) 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, 189111251 + 189111252.

It is an arithmetic number, because the mean of its divisors is an integer number (189111252).

Almost surely, 2^378222503 is an apocalyptic number.

378222503 is a deficient number, since it is larger than the sum of its proper divisors (1).

378222503 is an equidigital number, since it uses as much as digits as its factorization.

378222503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 378222503 is about 19447.9434131221. The cubic root of 378222503 is about 723.1845201779.

The spelling of 378222503 in words is "three hundred seventy-eight million, two hundred twenty-two thousand, five hundred three".