2147198105 has 32 divisors (see below), whose sum is σ = 2883729408. Its totient is φ = 1524096000.

The previous prime is 2147198101. The next prime is 2147198159. The reversal of 2147198105 is 5018917412.

It is not a de Polignac number, because 2147198105 - 2² = 2147198101 is a prime.

It is a super-2 number, since 2×2147198105² = 9220919404231182050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2147198101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300737 + ... + 307793.

It is an arithmetic number, because the mean of its divisors is an integer number (90116544).

Almost surely, 2^2147198105 is an apocalyptic number.

It is an amenable number.

2147198105 is a deficient number, since it is larger than the sum of its proper divisors (736531303).

2147198105 is a wasteful number, since it uses less digits than its factorization.

2147198105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 2147198105 is about 46337.8690166046. The cubic root of 2147198105 is about 1290.1019699856.

The spelling of 2147198105 in words is "two billion, one hundred forty-seven million, one hundred ninety-eight thousand, one hundred five".