222222195 has 48 divisors (see below), whose sum is σ = 436668960. Its totient is φ = 103638528.

The previous prime is 222222193. The next prime is 222222227. The reversal of 222222195 is 591222222.

It is not a de Polignac number, because 222222195 - 2¹ = 222222193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222222193) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1119 + ... + 21111.

It is an arithmetic number, because the mean of its divisors is an integer number (9097270).

Almost surely, 2^222222195 is an apocalyptic number.

222222195 is a deficient number, since it is larger than the sum of its proper divisors (214446765).

222222195 is a wasteful number, since it uses less digits than its factorization.

222222195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20036 (or 20033 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 222222195 is about 14907.1189369375. The cubic root of 222222195 is about 605.7068395443.

Adding to 222222195 its sum of digits (27), we get a palindrome (222222222).

The spelling of 222222195 in words is "two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety-five".