2211242636 has 24 divisors (see below), whose sum is σ = 3898782720. Its totient is φ = 1097321472.

The previous prime is 2211242623. The next prime is 2211242659. The reversal of 2211242636 is 6362421122.

It is a junction number, because it is equal to n+sod(n) for n = 2211242599 and 2211242608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801836 + ... + 804588.

It is an arithmetic number, because the mean of its divisors is an integer number (162449280).

Almost surely, 2^2211242636 is an apocalyptic number.

It is an amenable number.

2211242636 is a deficient number, since it is larger than the sum of its proper divisors (1687540084).

2211242636 is a wasteful number, since it uses less digits than its factorization.

2211242636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193 (or 4191 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 2211242636 is about 47023.8517775820. The cubic root of 2211242636 is about 1302.8031497327.

Adding to 2211242636 its reverse (6362421122), we get a palindrome (8573663758).

The spelling of 2211242636 in words is "two billion, two hundred eleven million, two hundred forty-two thousand, six hundred thirty-six".