122200665 has 8 divisors (see below), whose sum is σ = 195521088. Its totient is φ = 65173680.

The previous prime is 122200643. The next prime is 122200691. The reversal of 122200665 is 566002221.

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

It is not a de Polignac number, because 122200665 - 2⁶ = 122200601 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4073341 + ... + 4073370.

It is an arithmetic number, because the mean of its divisors is an integer number (24440136).

Almost surely, 2^122200665 is an apocalyptic number.

122200665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122200665 is a deficient number, since it is larger than the sum of its proper divisors (73320423).

122200665 is an equidigital number, since it uses as much as digits as its factorization.

122200665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8146719.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 122200665 is about 11054.4409627986. The cubic root of 122200665 is about 496.2393391065.

Adding to 122200665 its reverse (566002221), we get a palindrome (688202886).

The spelling of 122200665 in words is "one hundred twenty-two million, two hundred thousand, six hundred sixty-five".