116822009 has 2 divisors, whose sum is σ = 116822010. Its totient is φ = 116822008.

The previous prime is 116822003. The next prime is 116822021. The reversal of 116822009 is 900228611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116748025 + 73984 = 10805^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 116822009 - 2¹⁶ = 116756473 is a prime.

It is not a weakly prime, because it can be changed into another prime (116822003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58411004 + 58411005.

It is an arithmetic number, because the mean of its divisors is an integer number (58411005).

Almost surely, 2^116822009 is an apocalyptic number.

It is an amenable number.

116822009 is a deficient number, since it is larger than the sum of its proper divisors (1).

116822009 is an equidigital number, since it uses as much as digits as its factorization.

116822009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 116822009 is about 10808.4230579673. The cubic root of 116822009 is about 488.8491790539.

The spelling of 116822009 in words is "one hundred sixteen million, eight hundred twenty-two thousand, nine".