22885559 has 4 divisors (see below), whose sum is σ = 23317416. Its totient is φ = 22453704.

The previous prime is 22885543. The next prime is 22885561. The reversal of 22885559 is 95558822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95558822 = 2 ⋅47779411.

It is a cyclic number.

It is not a de Polignac number, because 22885559 - 2⁴ = 22885543 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 (22885579) 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, 215849 + ... + 215954.

It is an arithmetic number, because the mean of its divisors is an integer number (5829354).

Almost surely, 2^22885559 is an apocalyptic number.

22885559 is a deficient number, since it is larger than the sum of its proper divisors (431857).

22885559 is an equidigital number, since it uses as much as digits as its factorization.

22885559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431856.

The product of its digits is 288000, while the sum is 44.

The square root of 22885559 is about 4783.8853456161. The cubic root of 22885559 is about 283.9142396280.

The spelling of 22885559 in words is "twenty-two million, eight hundred eighty-five thousand, five hundred fifty-nine".