122215195 has 4 divisors (see below), whose sum is σ = 146658240. Its totient is φ = 97772152.

The previous prime is 122215189. The next prime is 122215199. The reversal of 122215195 is 591512221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122215195 - 2³ = 122215187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122215199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12221515 + ... + 12221524.

It is an arithmetic number, because the mean of its divisors is an integer number (36664560).

Almost surely, 2^122215195 is an apocalyptic number.

122215195 is a deficient number, since it is larger than the sum of its proper divisors (24443045).

122215195 is an equidigital number, since it uses as much as digits as its factorization.

122215195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24443044.

The product of its digits is 1800, while the sum is 28.

The square root of 122215195 is about 11055.0981451998. The cubic root of 122215195 is about 496.2590064077.

The spelling of 122215195 in words is "one hundred twenty-two million, two hundred fifteen thousand, one hundred ninety-five".