22081036 has 6 divisors (see below), whose sum is σ = 38641820. Its totient is φ = 11040516.

The previous prime is 22081027. The next prime is 22081039. The reversal of 22081036 is 63018022.

It is a junction number, because it is equal to n+sod(n) for n = 22080998 and 22081016.

It is not an unprimeable number, because it can be changed into a prime (22081039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760126 + ... + 2760133.

Almost surely, 2^22081036 is an apocalyptic number.

It is an amenable number.

22081036 is a deficient number, since it is larger than the sum of its proper divisors (16560784).

22081036 is a wasteful number, since it uses less digits than its factorization.

22081036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520263 (or 5520261 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22081036 is about 4699.0462862160. The cubic root of 22081036 is about 280.5475509935.

Adding to 22081036 its reverse (63018022), we get a palindrome (85099058).

The spelling of 22081036 in words is "twenty-two million, eighty-one thousand, thirty-six".