22686043 has 4 divisors (see below), whose sum is σ = 22697488. Its totient is φ = 22674600.

The previous prime is 22685989. The next prime is 22686049. The reversal of 22686043 is 34068622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22686043 - 2²¹ = 20588891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22685996 and 22686014.

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

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, 1896 + ... + 6997.

It is an arithmetic number, because the mean of its divisors is an integer number (5674372).

Almost surely, 2^22686043 is an apocalyptic number.

22686043 is a deficient number, since it is larger than the sum of its proper divisors (11445).

22686043 is an equidigital number, since it uses as much as digits as its factorization.

22686043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11444.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 22686043 is about 4762.9867730238. The cubic root of 22686043 is about 283.0867768199.

The spelling of 22686043 in words is "twenty-two million, six hundred eighty-six thousand, forty-three".