220289711 has 2 divisors, whose sum is σ = 220289712. Its totient is φ = 220289710.

The previous prime is 220289687. The next prime is 220289717. The reversal of 220289711 is 117982022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220289711 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220289717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110144855 + 110144856.

It is an arithmetic number, because the mean of its divisors is an integer number (110144856).

Almost surely, 2^220289711 is an apocalyptic number.

220289711 is a deficient number, since it is larger than the sum of its proper divisors (1).

220289711 is an equidigital number, since it uses as much as digits as its factorization.

220289711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 220289711 is about 14842.1599169393. The cubic root of 220289711 is about 603.9459469120.

The spelling of 220289711 in words is "two hundred twenty million, two hundred eighty-nine thousand, seven hundred eleven".