2221221195 has 24 divisors (see below), whose sum is σ = 3858192000. Its totient is φ = 1182166656.

The previous prime is 2221221193. The next prime is 2221221209. The reversal of 2221221195 is 5911221222.

It is a happy number.

It is not a de Polignac number, because 2221221195 - 2¹ = 2221221193 is a prime.

It is a super-3 number, since 3×2221221195³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221221193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29970 + ... + 73079.

It is an arithmetic number, because the mean of its divisors is an integer number (160758000).

Almost surely, 2^2221221195 is an apocalyptic number.

2221221195 is a deficient number, since it is larger than the sum of its proper divisors (1636970805).

2221221195 is a wasteful number, since it uses less digits than its factorization.

2221221195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103539 (or 103536 counting only the distinct ones).

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

The square root of 2221221195 is about 47129.8333860836. The cubic root of 2221221195 is about 1304.7599065064.

Adding to 2221221195 its sum of digits (27), we get a palindrome (2221221222).

The spelling of 2221221195 in words is "two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred ninety-five".