22408253 has 4 divisors (see below), whose sum is σ = 25609440. Its totient is φ = 19207068.

The previous prime is 22408247. The next prime is 22408283. The reversal of 22408253 is 35280422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35280422 = 2 ⋅17640211.

It is a cyclic number.

It is not a de Polignac number, because 22408253 - 2⁶ = 22408189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22408283) 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, 1600583 + ... + 1600596.

It is an arithmetic number, because the mean of its divisors is an integer number (6402360).

Almost surely, 2^22408253 is an apocalyptic number.

It is an amenable number.

22408253 is a deficient number, since it is larger than the sum of its proper divisors (3201187).

22408253 is an equidigital number, since it uses as much as digits as its factorization.

22408253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201186.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 22408253 is about 4733.7356284440. The cubic root of 22408253 is about 281.9265648867.

Adding to 22408253 its reverse (35280422), we get a palindrome (57688675).

The spelling of 22408253 in words is "twenty-two million, four hundred eight thousand, two hundred fifty-three".