2221050907 has 2 divisors, whose sum is σ = 2221050908. Its totient is φ = 2221050906.

The previous prime is 2221050899. The next prime is 2221050943. The reversal of 2221050907 is 7090501222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221050907 - 2³ = 2221050899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221050947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110525453 + 1110525454.

It is an arithmetic number, because the mean of its divisors is an integer number (1110525454).

Almost surely, 2^2221050907 is an apocalyptic number.

2221050907 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221050907 is an equidigital number, since it uses as much as digits as its factorization.

2221050907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2221050907 is about 47128.0267675191. The cubic root of 2221050907 is about 1304.7265628914.

The spelling of 2221050907 in words is "two billion, two hundred twenty-one million, fifty thousand, nine hundred seven".