22535873 has 4 divisors (see below), whose sum is σ = 22600068. Its totient is φ = 22471680.

The previous prime is 22535861. The next prime is 22535893. The reversal of 22535873 is 37853522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11888704 + 10647169 = 3448^2 + 3263^2 .

It is a cyclic number.

It is not a de Polignac number, because 22535873 - 2⁶ = 22535809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22535833) 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, 31568 + ... + 32273.

It is an arithmetic number, because the mean of its divisors is an integer number (5650017).

Almost surely, 2^22535873 is an apocalyptic number.

It is an amenable number.

22535873 is a deficient number, since it is larger than the sum of its proper divisors (64195).

22535873 is an equidigital number, since it uses as much as digits as its factorization.

22535873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64194.

The product of its digits is 50400, while the sum is 35.

The square root of 22535873 is about 4747.1963304671. The cubic root of 22535873 is about 282.4607636008.

The spelling of 22535873 in words is "twenty-two million, five hundred thirty-five thousand, eight hundred seventy-three".