22535 has 4 divisors (see below), whose sum is σ = 27048.
Its totient is φ = 18024.
The previous prime is 22531. The next prime is 22541. The reversal of 22535 is 53522.
It can be divided in two parts, 225 and 35, that multiplied together give a triangular number (7875 = T125).
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 22535 - 22 = 22531 is a prime.
It is a d-powerful number, because it can be written as 2 + 212 + 54 + 37 + 56 .
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22531) 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, 2249 + ... + 2258.
It is an arithmetic number, because the mean of its divisors is an integer number (6762).
222535 is an apocalyptic number.
22535 is a deficient number, since it is larger than the sum of its proper divisors (4513).
22535 is an equidigital number, since it uses as much as digits as its factorization.
22535 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4512.
The product of its digits is 300, while the sum is 17.
The square root of 22535 is about 150.1166213316.
The cubic root of 22535 is about 28.2457116210.
The spelling of 22535 in words is "twenty-two thousand, five hundred thirty-five".