22686044 has 6 divisors (see below), whose sum is σ = 39700584. Its totient is φ = 11343020.

The previous prime is 22685989. The next prime is 22686049. The reversal of 22686044 is 44068622.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22686044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22686049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2835752 + ... + 2835759.

It is an arithmetic number, because the mean of its divisors is an integer number (6616764).

Almost surely, 2^22686044 is an apocalyptic number.

It is an amenable number.

22686044 is a deficient number, since it is larger than the sum of its proper divisors (17014540).

22686044 is a wasteful number, since it uses less digits than its factorization.

22686044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671515 (or 5671513 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 22686044 is about 4762.9868780000. The cubic root of 22686044 is about 283.0867809794.

The spelling of 22686044 in words is "twenty-two million, six hundred eighty-six thousand, forty-four".