22036559 has 4 divisors (see below), whose sum is σ = 22410120. Its totient is φ = 21663000.

The previous prime is 22036529. The next prime is 22036579. The reversal of 22036559 is 95563022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22036559 - 2⁸ = 22036303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22036519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186692 + ... + 186809.

It is an arithmetic number, because the mean of its divisors is an integer number (5602530).

Almost surely, 2^22036559 is an apocalyptic number.

22036559 is a deficient number, since it is larger than the sum of its proper divisors (373561).

22036559 is an equidigital number, since it uses as much as digits as its factorization.

22036559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373560.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 22036559 is about 4694.3113445957. The cubic root of 22036559 is about 280.3590589206.

The spelling of 22036559 in words is "twenty-two million, thirty-six thousand, five hundred fifty-nine".