2211842836 has 24 divisors (see below), whose sum is σ = 4485995136. Its totient is φ = 934580640.

The previous prime is 2211842833. The next prime is 2211842837. The reversal of 2211842836 is 6382481122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2211842795 and 2211842804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211842833) 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 7 ways as a sum of consecutive naturals, for example, 554311 + ... + 558286.

It is an arithmetic number, because the mean of its divisors is an integer number (186916464).

Almost surely, 2^2211842836 is an apocalyptic number.

It is an amenable number.

2211842836 is an abundant number, since it is smaller than the sum of its proper divisors (2274152300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211842836 is a wasteful number, since it uses less digits than its factorization.

2211842836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112679 (or 1112677 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 2211842836 is about 47030.2332122646. The cubic root of 2211842836 is about 1302.9210128293.

The spelling of 2211842836 in words is "two billion, two hundred eleven million, eight hundred forty-two thousand, eight hundred thirty-six".