2226636 has 48 divisors (see below), whose sum is σ = 5896800. Its totient is φ = 726336.

The previous prime is 2226619. The next prime is 2226647. The reversal of 2226636 is 6366222.

It is a happy number.

2226636 is a `hidden beast` number, since 2 + 2 + 26 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5530 + ... + 5918.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

2^2226636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2226636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948400).

2226636 is an abundant number, since it is smaller than the sum of its proper divisors (3670164).

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

2226636 is a wasteful number, since it uses less digits than its factorization.

2226636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 447 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 2226636 is about 1492.1916766957. The cubic root of 2226636 is about 130.5819276806.

The spelling of 2226636 in words is "two million, two hundred twenty-six thousand, six hundred thirty-six".