2211222195 has 144 divisors (see below), whose sum is σ = 4816618560. Its totient is φ = 918687744.

The previous prime is 2211222191. The next prime is 2211222197. The reversal of 2211222195 is 5912221122.

It is a happy number.

It is not a de Polignac number, because 2211222195 - 2² = 2211222191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211222191) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3885871 + ... + 3886439.

It is an arithmetic number, because the mean of its divisors is an integer number (33448740).

Almost surely, 2^2211222195 is an apocalyptic number.

2211222195 is an abundant number, since it is smaller than the sum of its proper divisors (2605396365).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211222195 is a wasteful number, since it uses less digits than its factorization.

2211222195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 670 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 2211222195 is about 47023.6344299332. The cubic root of 2211222195 is about 1302.7991352960.

The spelling of 2211222195 in words is "two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred ninety-five".