2222036 has 24 divisors (see below), whose sum is σ = 4223016. Its totient is φ = 1018880.

The previous prime is 2222023. The next prime is 2222039. The reversal of 2222036 is 6302222.

It can be written as a sum of positive squares in 4 ways, for example, as 136900 + 2085136 = 370^2 + 1444^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222039) 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, 2390 + ... + 3186.

It is an arithmetic number, because the mean of its divisors is an integer number (175959).

2^2222036 is an apocalyptic number.

It is an amenable number.

2222036 is a deficient number, since it is larger than the sum of its proper divisors (2000980).

2222036 is a wasteful number, since it uses less digits than its factorization.

2222036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2222036 is about 1490.6495228591. The cubic root of 2222036 is about 130.4919427604.

Adding to 2222036 its reverse (6302222), we get a palindrome (8524258).

The spelling of 2222036 in words is "two million, two hundred twenty-two thousand, thirty-six".