116221939 has 4 divisors (see below), whose sum is σ = 116249560. Its totient is φ = 116194320.

The previous prime is 116221933. The next prime is 116221943. The reversal of 116221939 is 939122611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939122611 = 7 ⋅134160373.

It is a cyclic number.

It is not a de Polignac number, because 116221939 - 2¹¹ = 116219891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116221933) 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 in 3 ways as a sum of consecutive naturals, for example, 6042 + ... + 16399.

It is an arithmetic number, because the mean of its divisors is an integer number (29062390).

Almost surely, 2^116221939 is an apocalyptic number.

116221939 is a deficient number, since it is larger than the sum of its proper divisors (27621).

116221939 is an equidigital number, since it uses as much as digits as its factorization.

116221939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27620.

The product of its digits is 5832, while the sum is 34.

The square root of 116221939 is about 10780.6279501706. The cubic root of 116221939 is about 488.0107313662.

The spelling of 116221939 in words is "one hundred sixteen million, two hundred twenty-one thousand, nine hundred thirty-nine".