2213770105 has 4 divisors (see below), whose sum is σ = 2656524132. Its totient is φ = 1771016080.

The previous prime is 2213770099. The next prime is 2213770121. The reversal of 2213770105 is 5010773122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 576192016 + 1637578089 = 24004^2 + 40467^2 .

It is not a de Polignac number, because 2213770105 - 2¹⁷ = 2213639033 is a prime.

It is a super-2 number, since 2×2213770105² = 9801556155583422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 221377006 + ... + 221377015.

It is an arithmetic number, because the mean of its divisors is an integer number (664131033).

Almost surely, 2^2213770105 is an apocalyptic number.

It is an amenable number.

2213770105 is a deficient number, since it is larger than the sum of its proper divisors (442754027).

2213770105 is an equidigital number, since it uses as much as digits as its factorization.

2213770105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442754026.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 2213770105 is about 47050.7184323470. The cubic root of 2213770105 is about 1303.2993323998.

The spelling of 2213770105 in words is "two billion, two hundred thirteen million, seven hundred seventy thousand, one hundred five".