2238962221787 has 2 divisors, whose sum is σ = 2238962221788. Its totient is φ = 2238962221786.

The previous prime is 2238962221777. The next prime is 2238962221799. The reversal of 2238962221787 is 7871222698322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2238962221787 - 2¹⁰ = 2238962220763 is a prime.

It is not a weakly prime, because it can be changed into another prime (2238962221777) 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, 1119481110893 + 1119481110894.

It is an arithmetic number, because the mean of its divisors is an integer number (1119481110894).

Almost surely, 2^{2238962221787} is an apocalyptic number.

2238962221787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238962221787 is an equidigital number, since it uses as much as digits as its factorization.

2238962221787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 59.

The spelling of 2238962221787 in words is "two trillion, two hundred thirty-eight billion, nine hundred sixty-two million, two hundred twenty-one thousand, seven hundred eighty-seven".