2206720783 has 2 divisors, whose sum is σ = 2206720784. Its totient is φ = 2206720782.

The previous prime is 2206720729. The next prime is 2206720847. The reversal of 2206720783 is 3870276022.

It is a happy number.

2206720783 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 a de Polignac number, because none of the positive numbers 2^k-2206720783 is a prime.

It is a super-2 number, since 2×2206720783² = 9739233228248266178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206720583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103360391 + 1103360392.

It is an arithmetic number, because the mean of its divisors is an integer number (1103360392).

Almost surely, 2^2206720783 is an apocalyptic number.

2206720783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206720783 is an equidigital number, since it uses as much as digits as its factorization.

2206720783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 2206720783 is about 46975.7467529788. The cubic root of 2206720783 is about 1301.9144933672.

The spelling of 2206720783 in words is "two billion, two hundred six million, seven hundred twenty thousand, seven hundred eighty-three".