22686036 has 24 divisors (see below), whose sum is σ = 53018784. Its totient is φ = 7549920.

The previous prime is 22685989. The next prime is 22686049. The reversal of 22686036 is 63068622.

It is a junction number, because it is equal to n+sod(n) for n = 22685988 and 22686006.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9526 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (2209116).

Almost surely, 2^22686036 is an apocalyptic number.

It is an amenable number.

22686036 is an abundant number, since it is smaller than the sum of its proper divisors (30332748).

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

22686036 is a wasteful number, since it uses less digits than its factorization.

22686036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 22686036 is about 4762.9860381907. The cubic root of 22686036 is about 283.0867477035.

The spelling of 22686036 in words is "twenty-two million, six hundred eighty-six thousand, thirty-six".