1222350487 has 2 divisors, whose sum is σ = 1222350488. Its totient is φ = 1222350486.

The previous prime is 1222350469. The next prime is 1222350497. The reversal of 1222350487 is 7840532221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222350487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222350497) 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, 611175243 + 611175244.

It is an arithmetic number, because the mean of its divisors is an integer number (611175244).

Almost surely, 2^1222350487 is an apocalyptic number.

1222350487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222350487 is an equidigital number, since it uses as much as digits as its factorization.

1222350487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1222350487 is about 34962.1293258863. The cubic root of 1222350487 is about 1069.2155099338.

The spelling of 1222350487 in words is "one billion, two hundred twenty-two million, three hundred fifty thousand, four hundred eighty-seven".