2272636 has 24 divisors (see below), whose sum is σ = 4148144. Its totient is φ = 1088640.

The previous prime is 2272631. The next prime is 2272649. The reversal of 2272636 is 6362722.

It is a d-powerful number, because it can be written as 2 + 2¹¹ + 7³ + 2¹⁹ + 6⁶ + 3⁹ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12466 + ... + 12646.

2^2272636 is an apocalyptic number.

It is an amenable number.

2272636 is a deficient number, since it is larger than the sum of its proper divisors (1875508).

2272636 is a wasteful number, since it uses less digits than its factorization.

2272636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 299 counting only the distinct ones).

The product of its digits is 6048, while the sum is 28.

The square root of 2272636 is about 1507.5264508459. The cubic root of 2272636 is about 131.4750346569.

The spelling of 2272636 in words is "two million, two hundred seventy-two thousand, six hundred thirty-six".