8222628787 has 2 divisors, whose sum is σ = 8222628788. Its totient is φ = 8222628786.

The previous prime is 8222628781. The next prime is 8222628847. The reversal of 8222628787 is 7878262228.

8222628787 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8222628787 - 2³ = 8222628779 is a prime.

It is a super-2 number, since 2×8222628787² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8222628781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111314393 + 4111314394.

It is an arithmetic number, because the mean of its divisors is an integer number (4111314394).

Almost surely, 2^8222628787 is an apocalyptic number.

8222628787 is a deficient number, since it is larger than the sum of its proper divisors (1).

8222628787 is an equidigital number, since it uses as much as digits as its factorization.

8222628787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2408448, while the sum is 52.

The square root of 8222628787 is about 90678.7118732947. The cubic root of 8222628787 is about 2018.3829154459.

The spelling of 8222628787 in words is "eight billion, two hundred twenty-two million, six hundred twenty-eight thousand, seven hundred eighty-seven".