22240253 has 16 divisors (see below), whose sum is σ = 26171136. Its totient is φ = 18506880.

The previous prime is 22240247. The next prime is 22240261. The reversal of 22240253 is 35204222.

It is not a de Polignac number, because 22240253 - 2¹⁸ = 21978109 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 (22240223) 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 15 ways as a sum of consecutive naturals, for example, 35975 + ... + 36587.

It is an arithmetic number, because the mean of its divisors is an integer number (1635696).

Almost surely, 2^22240253 is an apocalyptic number.

It is an amenable number.

22240253 is a deficient number, since it is larger than the sum of its proper divisors (3930883).

22240253 is an equidigital number, since it uses as much as digits as its factorization.

22240253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22240253 is about 4715.9572729193. The cubic root of 22240253 is about 281.2202399457.

Adding to 22240253 its reverse (35204222), we get a palindrome (57444475).

The spelling of 22240253 in words is "twenty-two million, two hundred forty thousand, two hundred fifty-three".