22545323 has 4 divisors (see below), whose sum is σ = 22618128. Its totient is φ = 22472520.

The previous prime is 22545317. The next prime is 22545329. The reversal of 22545323 is 32354522.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22545317) and next prime (22545329).

It is a cyclic number.

It is not a de Polignac number, because 22545323 - 2¹² = 22541227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22545292 and 22545301.

It is not an unprimeable number, because it can be changed into a prime (22545329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35936 + ... + 36557.

It is an arithmetic number, because the mean of its divisors is an integer number (5654532).

Almost surely, 2^22545323 is an apocalyptic number.

22545323 is a deficient number, since it is larger than the sum of its proper divisors (72805).

22545323 is an equidigital number, since it uses as much as digits as its factorization.

22545323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72804.

The product of its digits is 7200, while the sum is 26.

The square root of 22545323 is about 4748.1915504748. The cubic root of 22545323 is about 282.5002396427.

Adding to 22545323 its reverse (32354522), we get a palindrome (54899845).

The spelling of 22545323 in words is "twenty-two million, five hundred forty-five thousand, three hundred twenty-three".