2245237747 has 2 divisors, whose sum is σ = 2245237748. Its totient is φ = 2245237746.

The previous prime is 2245237717. The next prime is 2245237823. The reversal of 2245237747 is 7477325422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2245237747 - 2²⁷ = 2111020019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2245237717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122618873 + 1122618874.

It is an arithmetic number, because the mean of its divisors is an integer number (1122618874).

Almost surely, 2^2245237747 is an apocalyptic number.

2245237747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2245237747 is an equidigital number, since it uses as much as digits as its factorization.

2245237747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658560, while the sum is 43.

The square root of 2245237747 is about 47383.9397581079. The cubic root of 2245237747 is about 1309.4455527149.

The spelling of 2245237747 in words is "two billion, two hundred forty-five million, two hundred thirty-seven thousand, seven hundred forty-seven".