2220226787 has 2 divisors, whose sum is σ = 2220226788. Its totient is φ = 2220226786.

The previous prime is 2220226769. The next prime is 2220226909. The reversal of 2220226787 is 7876220222.

2220226787 is digitally balanced in base 2, 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 2220226787 - 2⁸ = 2220226531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220226787.

It is not a weakly prime, because it can be changed into another prime (2220226717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110113393 + 1110113394.

It is an arithmetic number, because the mean of its divisors is an integer number (1110113394).

Almost surely, 2^2220226787 is an apocalyptic number.

2220226787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220226787 is an equidigital number, since it uses as much as digits as its factorization.

2220226787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 2220226787 is about 47119.2825391049. The cubic root of 2220226787 is about 1304.5651701817.

The spelling of 2220226787 in words is "two billion, two hundred twenty million, two hundred twenty-six thousand, seven hundred eighty-seven".