22730453 has 4 divisors (see below), whose sum is σ = 22740000. Its totient is φ = 22720908.

The previous prime is 22730431. The next prime is 22730467. The reversal of 22730453 is 35403722.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22730453 - 2¹⁰ = 22729429 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 (22730423) 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, 2048 + ... + 7046.

It is an arithmetic number, because the mean of its divisors is an integer number (5685000).

Almost surely, 2^22730453 is an apocalyptic number.

It is an amenable number.

22730453 is a deficient number, since it is larger than the sum of its proper divisors (9547).

22730453 is an equidigital number, since it uses as much as digits as its factorization.

22730453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9546.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 22730453 is about 4767.6464843778. The cubic root of 22730453 is about 283.2713791491.

The spelling of 22730453 in words is "twenty-two million, seven hundred thirty thousand, four hundred fifty-three".