2212636 has 12 divisors (see below), whose sum is σ = 3885112. Its totient is φ = 1102608.

The previous prime is 2212633. The next prime is 2212657. The reversal of 2212636 is 6362122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212631) 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, 751 + ... + 2233.

2^2212636 is an apocalyptic number.

It is an amenable number.

2212636 is a deficient number, since it is larger than the sum of its proper divisors (1672476).

2212636 is a wasteful number, since it uses less digits than its factorization.

2212636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1858 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 2212636 is about 1487.4931932617. The cubic root of 2212636 is about 130.3076736151.

Adding to 2212636 its reverse (6362122), we get a palindrome (8574758).

The spelling of 2212636 in words is "two million, two hundred twelve thousand, six hundred thirty-six".