2212806193 has 4 divisors (see below), whose sum is σ = 2383022068. Its totient is φ = 2042590320.

The previous prime is 2212806179. The next prime is 2212806263. The reversal of 2212806193 is 3916082122.

2212806193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 552814144 + 1659992049 = 23512^2 + 40743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212806193 - 2¹³ = 2212798001 is a prime.

It is a super-2 number, since 2×2212806193² = 9793022495558306498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212846193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85107918 + ... + 85107943.

It is an arithmetic number, because the mean of its divisors is an integer number (595755517).

Almost surely, 2^2212806193 is an apocalyptic number.

It is an amenable number.

2212806193 is a deficient number, since it is larger than the sum of its proper divisors (170215875).

2212806193 is a wasteful number, since it uses less digits than its factorization.

2212806193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170215874.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2212806193 is about 47040.4739878331. The cubic root of 2212806193 is about 1303.1101456003.

The spelling of 2212806193 in words is "two billion, two hundred twelve million, eight hundred six thousand, one hundred ninety-three".