22541135 has 4 divisors (see below), whose sum is σ = 27049368. Its totient is φ = 18032904.

The previous prime is 22541117. The next prime is 22541137. The reversal of 22541135 is 53114522.

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 22541135 - 2¹⁶ = 22475599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22541135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254109 + ... + 2254118.

It is an arithmetic number, because the mean of its divisors is an integer number (6762342).

Almost surely, 2^22541135 is an apocalyptic number.

22541135 is a deficient number, since it is larger than the sum of its proper divisors (4508233).

22541135 is an equidigital number, since it uses as much as digits as its factorization.

22541135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508232.

The product of its digits is 1200, while the sum is 23.

The square root of 22541135 is about 4747.7505199831. The cubic root of 22541135 is about 282.4827462248.

Adding to 22541135 its reverse (53114522), we get a palindrome (75655657).

The spelling of 22541135 in words is "twenty-two million, five hundred forty-one thousand, one hundred thirty-five".