116666722 has 4 divisors (see below), whose sum is σ = 175000086. Its totient is φ = 58333360.

The previous prime is 116666717. The next prime is 116666723. The reversal of 116666722 is 227666611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 227666611 = 1489 ⋅152899.

It can be written as a sum of positive squares in only one way, i.e., 115541001 + 1125721 = 10749^2 + 1061^2 .

It is a super-2 number, since 2×116666722² = 27222248044450568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116666723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29166679 + ... + 29166682.

Almost surely, 2^116666722 is an apocalyptic number.

116666722 is a deficient number, since it is larger than the sum of its proper divisors (58333364).

116666722 is an equidigital number, since it uses as much as digits as its factorization.

116666722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58333363.

The product of its digits is 36288, while the sum is 37.

The square root of 116666722 is about 10801.2370587817. The cubic root of 116666722 is about 488.6324802099.

The spelling of 116666722 in words is "one hundred sixteen million, six hundred sixty-six thousand, seven hundred twenty-two".