116222281 has 8 divisors (see below), whose sum is σ = 133012544. Its totient is φ = 99478800.

The previous prime is 116222261. The next prime is 116222321. The reversal of 116222281 is 182222611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116222281 - 2¹¹ = 116220233 is a prime.

It is a super-2 number, since 2×116222281² = 27015237201685922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116222261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6195 + ... + 16456.

It is an arithmetic number, because the mean of its divisors is an integer number (16626568).

Almost surely, 2^116222281 is an apocalyptic number.

It is an amenable number.

116222281 is a deficient number, since it is larger than the sum of its proper divisors (16790263).

116222281 is an equidigital number, since it uses as much as digits as its factorization.

116222281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23391.

The product of its digits is 768, while the sum is 25.

The square root of 116222281 is about 10780.6438119437. The cubic root of 116222281 is about 488.0112100466.

Adding to 116222281 its reverse (182222611), we get a palindrome (298444892).

The spelling of 116222281 in words is "one hundred sixteen million, two hundred twenty-two thousand, two hundred eighty-one".