787222243 has 2 divisors, whose sum is σ = 787222244. Its totient is φ = 787222242.

The previous prime is 787222211. The next prime is 787222301. The reversal of 787222243 is 342222787.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 787222243 - 2⁵ = 787222211 is a prime.

It is not a weakly prime, because it can be changed into another prime (787220243) 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, 393611121 + 393611122.

It is an arithmetic number, because the mean of its divisors is an integer number (393611122).

Almost surely, 2^787222243 is an apocalyptic number.

787222243 is a deficient number, since it is larger than the sum of its proper divisors (1).

787222243 is an equidigital number, since it uses as much as digits as its factorization.

787222243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 37.

The square root of 787222243 is about 28057.4810522969. The cubic root of 787222243 is about 923.3487924039.

The spelling of 787222243 in words is "seven hundred eighty-seven million, two hundred twenty-two thousand, two hundred forty-three".