22271036 has 12 divisors (see below), whose sum is σ = 39925200. Its totient is φ = 10863840.

The previous prime is 22271027. The next prime is 22271083. The reversal of 22271036 is 63017222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67736 + ... + 68063.

It is an arithmetic number, because the mean of its divisors is an integer number (3327100).

Almost surely, 2^22271036 is an apocalyptic number.

It is an amenable number.

22271036 is a deficient number, since it is larger than the sum of its proper divisors (17654164).

22271036 is a wasteful number, since it uses less digits than its factorization.

22271036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135844 (or 135842 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 22271036 is about 4719.2198507804. The cubic root of 22271036 is about 281.3499268955.

Adding to 22271036 its reverse (63017222), we get a palindrome (85288258).

The spelling of 22271036 in words is "twenty-two million, two hundred seventy-one thousand, thirty-six".