22340453 has 8 divisors (see below), whose sum is σ = 22654080. Its totient is φ = 22029280.

The previous prime is 22340441. The next prime is 22340467. The reversal of 22340453 is 35404322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22340453 - 2⁶ = 22340389 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 (22340653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24068 + ... + 24978.

It is an arithmetic number, because the mean of its divisors is an integer number (2831760).

Almost surely, 2^22340453 is an apocalyptic number.

It is an amenable number.

22340453 is a deficient number, since it is larger than the sum of its proper divisors (313627).

22340453 is a wasteful number, since it uses less digits than its factorization.

22340453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 22340453 is about 4726.5688400784. The cubic root of 22340453 is about 281.6419386264.

Adding to 22340453 its reverse (35404322), we get a palindrome (57744775).

The spelling of 22340453 in words is "twenty-two million, three hundred forty thousand, four hundred fifty-three".