2212136 has 8 divisors (see below), whose sum is σ = 4147770. Its totient is φ = 1106064.

The previous prime is 2212127. The next prime is 2212141. The reversal of 2212136 is 6312122.

It can be written as a sum of positive squares in only one way, i.e., 1562500 + 649636 = 1250^2 + 806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138251 + ... + 138266.

2^2212136 is an apocalyptic number.

It is an amenable number.

2212136 is a deficient number, since it is larger than the sum of its proper divisors (1935634).

2212136 is a wasteful number, since it uses less digits than its factorization.

2212136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276523 (or 276519 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 2212136 is about 1487.3251157699. The cubic root of 2212136 is about 130.2978574584.

Adding to 2212136 its reverse (6312122), we get a palindrome (8524258).

The spelling of 2212136 in words is "two million, two hundred twelve thousand, one hundred thirty-six".