2241778043 has 2 divisors, whose sum is σ = 2241778044. Its totient is φ = 2241778042.

The previous prime is 2241778027. The next prime is 2241778087. The reversal of 2241778043 is 3408771422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2241778043 - 2⁴ = 2241778027 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2241777988 and 2241778006.

It is not a weakly prime, because it can be changed into another prime (2241778003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120889021 + 1120889022.

It is an arithmetic number, because the mean of its divisors is an integer number (1120889022).

Almost surely, 2^2241778043 is an apocalyptic number.

2241778043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241778043 is an equidigital number, since it uses as much as digits as its factorization.

2241778043 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 2241778043 is about 47347.4185463157. The cubic root of 2241778043 is about 1308.7726287394.

The spelling of 2241778043 in words is "two billion, two hundred forty-one million, seven hundred seventy-eight thousand, forty-three".