22206253 has 4 divisors (see below), whose sum is σ = 22806460. Its totient is φ = 21606048.

The previous prime is 22206229. The next prime is 22206263. The reversal of 22206253 is 35260222.

It is a happy number.

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 10220809 + 11985444 = 3197^2 + 3462^2 .

It is a cyclic number.

It is not a de Polignac number, because 22206253 - 2¹⁷ = 22075181 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 (22206263) 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, 300048 + ... + 300121.

It is an arithmetic number, because the mean of its divisors is an integer number (5701615).

Almost surely, 2^22206253 is an apocalyptic number.

It is an amenable number.

22206253 is a deficient number, since it is larger than the sum of its proper divisors (600207).

22206253 is an equidigital number, since it uses as much as digits as its factorization.

22206253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600206.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22206253 is about 4712.3511117063. The cubic root of 22206253 is about 281.0768608108.

Adding to 22206253 its reverse (35260222), we get a palindrome (57466475).

The spelling of 22206253 in words is "twenty-two million, two hundred six thousand, two hundred fifty-three".