1222751903 has 2 divisors, whose sum is σ = 1222751904. Its totient is φ = 1222751902.

The previous prime is 1222751891. The next prime is 1222751917. The reversal of 1222751903 is 3091572221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222751903 - 2²⁴ = 1205974687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222751903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222751993) 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, 611375951 + 611375952.

It is an arithmetic number, because the mean of its divisors is an integer number (611375952).

Almost surely, 2^1222751903 is an apocalyptic number.

1222751903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222751903 is an equidigital number, since it uses as much as digits as its factorization.

1222751903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1222751903 is about 34967.8695805163. The cubic root of 1222751903 is about 1069.3325394447.

The spelling of 1222751903 in words is "one billion, two hundred twenty-two million, seven hundred fifty-one thousand, nine hundred three".