2222836 has 36 divisors (see below), whose sum is σ = 4941216. Its totient is φ = 865200.

The previous prime is 2222819. The next prime is 2222839. The reversal of 2222836 is 6382222.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2222836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1641 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (137256).

2^2222836 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 2222836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2470608).

2222836 is an abundant number, since it is smaller than the sum of its proper divisors (2718380).

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

2222836 is a wasteful number, since it uses less digits than its factorization.

2222836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1051 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 2222836 is about 1490.9178381118. The cubic root of 2222836 is about 130.5076012268.

The spelling of 2222836 in words is "two million, two hundred twenty-two thousand, eight hundred thirty-six".