116662222025 has 6 divisors (see below), whose sum is σ = 144661155342. Its totient is φ = 93329777600.

The previous prime is 116662221997. The next prime is 116662222037. The reversal of 116662222025 is 520222266611.

It can be written as a sum of positive squares in 3 ways, for example, as 12674031241 + 103988190784 = 112579^2 + 322472^2 .

It is not a de Polignac number, because 116662222025 - 2²² = 116658027721 is a prime.

It is a super-2 number, since 2×116662222025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2333244416 + ... + 2333244465.

It is an arithmetic number, because the mean of its divisors is an integer number (24110192557).

Almost surely, 2^116662222025 is an apocalyptic number.

It is an amenable number.

116662222025 is a deficient number, since it is larger than the sum of its proper divisors (27998933317).

116662222025 is an equidigital number, since it uses as much as digits as its factorization.

116662222025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666488891 (or 4666488886 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 116662222025 its reverse (520222266611), we get a palindrome (636884488636).

The spelling of 116662222025 in words is "one hundred sixteen billion, six hundred sixty-two million, two hundred twenty-two thousand, twenty-five".