2206210789 has 2 divisors, whose sum is σ = 2206210790. Its totient is φ = 2206210788.

The previous prime is 2206210739. The next prime is 2206210793. The reversal of 2206210789 is 9870126022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2203833025 + 2377764 = 46945^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206210789 - 2⁷ = 2206210661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206210709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103105394 + 1103105395.

It is an arithmetic number, because the mean of its divisors is an integer number (1103105395).

Almost surely, 2^2206210789 is an apocalyptic number.

It is an amenable number.

2206210789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206210789 is an equidigital number, since it uses as much as digits as its factorization.

2206210789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2206210789 is about 46970.3181700955. The cubic root of 2206210789 is about 1301.8141907309.

The spelling of 2206210789 in words is "two billion, two hundred six million, two hundred ten thousand, seven hundred eighty-nine".