22105253 has 4 divisors (see below), whose sum is σ = 23405580. Its totient is φ = 20804928.

The previous prime is 22105249. The next prime is 22105267. The reversal of 22105253 is 35250122.

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 19070689 + 3034564 = 4367^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 22105253 - 2² = 22105249 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 (22105283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650138 + ... + 650171.

It is an arithmetic number, because the mean of its divisors is an integer number (5851395).

Almost surely, 2^22105253 is an apocalyptic number.

It is an amenable number.

22105253 is a deficient number, since it is larger than the sum of its proper divisors (1300327).

22105253 is a wasteful number, since it uses less digits than its factorization.

22105253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300326.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 22105253 is about 4701.6223795622. The cubic root of 22105253 is about 280.6500754375.

Adding to 22105253 its reverse (35250122), we get a palindrome (57355375).

The spelling of 22105253 in words is "twenty-two million, one hundred five thousand, two hundred fifty-three".