116224261 has 2 divisors, whose sum is σ = 116224262. Its totient is φ = 116224260.

The previous prime is 116224259. The next prime is 116224271. The reversal of 116224261 is 162422611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115992900 + 231361 = 10770^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 116224261 - 2¹ = 116224259 is a prime.

It is a super-2 number, since 2×116224261² = 27016157689992242, which contains 22 as substring.

Together with 116224259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116224201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58112130 + 58112131.

It is an arithmetic number, because the mean of its divisors is an integer number (58112131).

Almost surely, 2^116224261 is an apocalyptic number.

It is an amenable number.

116224261 is a deficient number, since it is larger than the sum of its proper divisors (1).

116224261 is an equidigital number, since it uses as much as digits as its factorization.

116224261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 116224261 is about 10780.7356428029. The cubic root of 116224261 is about 488.0139813360.

Adding to 116224261 its reverse (162422611), we get a palindrome (278646872).

The spelling of 116224261 in words is "one hundred sixteen million, two hundred twenty-four thousand, two hundred sixty-one".