1388225303 has 2 divisors, whose sum is σ = 1388225304. Its totient is φ = 1388225302.

The previous prime is 1388225281. The next prime is 1388225347. The reversal of 1388225303 is 3035228831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1388225303 - 2²⁶ = 1321116439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1388215303) 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, 694112651 + 694112652.

It is an arithmetic number, because the mean of its divisors is an integer number (694112652).

Almost surely, 2^1388225303 is an apocalyptic number.

1388225303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388225303 is an equidigital number, since it uses as much as digits as its factorization.

1388225303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1388225303 is about 37258.8956223880. The cubic root of 1388225303 is about 1115.5438646600.

The spelling of 1388225303 in words is "one billion, three hundred eighty-eight million, two hundred twenty-five thousand, three hundred three".