2225636 has 24 divisors (see below), whose sum is σ = 4501056. Its totient is φ = 943200.

The previous prime is 2225627. The next prime is 2225647. The reversal of 2225636 is 6365222.

It is a d-powerful number, because it can be written as 2² + 2¹⁰ + 2¹⁰ + 5⁹ + 6⁶ + 3¹¹ + 6⁶ .

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, 2435 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (187544).

2^2225636 is an apocalyptic number.

It is an amenable number.

2225636 is an abundant number, since it is smaller than the sum of its proper divisors (2275420).

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

2225636 is a wasteful number, since it uses less digits than its factorization.

2225636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 897 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 2225636 is about 1491.8565614696. The cubic root of 2225636 is about 130.5623762914.

The spelling of 2225636 in words is "two million, two hundred twenty-five thousand, six hundred thirty-six".