2283933781 has 2 divisors, whose sum is σ = 2283933782. Its totient is φ = 2283933780.

The previous prime is 2283933727. The next prime is 2283933809. The reversal of 2283933781 is 1873393822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1702882756 + 581051025 = 41266^2 + 24105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2283933781 - 2⁷ = 2283933653 is a prime.

It is a super-2 number, since 2×2283933781² = 10432707031985911922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2283933481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1141966890 + 1141966891.

It is an arithmetic number, because the mean of its divisors is an integer number (1141966891).

Almost surely, 2^2283933781 is an apocalyptic number.

It is an amenable number.

2283933781 is a deficient number, since it is larger than the sum of its proper divisors (1).

2283933781 is an equidigital number, since it uses as much as digits as its factorization.

2283933781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 2283933781 is about 47790.5197816471. The cubic root of 2283933781 is about 1316.9253855178.

The spelling of 2283933781 in words is "two billion, two hundred eighty-three million, nine hundred thirty-three thousand, seven hundred eighty-one".