2212806229 has 4 divisors (see below), whose sum is σ = 2213985760. Its totient is φ = 2211626700.

The previous prime is 2212806179. The next prime is 2212806263. The reversal of 2212806229 is 9226082122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2212806229 - 2¹³ = 2212798037 is a prime.

It is a super-2 number, since 2×2212806229² = 9793022814202400882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212806194 and 2212806203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212806289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586947 + ... + 590704.

It is an arithmetic number, because the mean of its divisors is an integer number (553496440).

Almost surely, 2^2212806229 is an apocalyptic number.

It is an amenable number.

2212806229 is a deficient number, since it is larger than the sum of its proper divisors (1179531).

2212806229 is a wasteful number, since it uses less digits than its factorization.

2212806229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179530.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2212806229 is about 47040.4743704823. The cubic root of 2212806229 is about 1303.1101526670.

The spelling of 2212806229 in words is "two billion, two hundred twelve million, eight hundred six thousand, two hundred twenty-nine".