1222241087 has 2 divisors, whose sum is σ = 1222241088. Its totient is φ = 1222241086.

The previous prime is 1222241071. The next prime is 1222241107. The reversal of 1222241087 is 7801422221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222241087 - 2⁴ = 1222241071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222241287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611120543 + 611120544.

It is an arithmetic number, because the mean of its divisors is an integer number (611120544).

Almost surely, 2^1222241087 is an apocalyptic number.

1222241087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222241087 is an equidigital number, since it uses as much as digits as its factorization.

1222241087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 1222241087 is about 34960.5647408620. The cubic root of 1222241087 is about 1069.1836108269.

The spelling of 1222241087 in words is "one billion, two hundred twenty-two million, two hundred forty-one thousand, eighty-seven".