22534345 has 4 divisors (see below), whose sum is σ = 27041220. Its totient is φ = 18027472.

The previous prime is 22534339. The next prime is 22534357. The reversal of 22534345 is 54343522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13097161 + 9437184 = 3619^2 + 3072^2 .

It is a cyclic number.

It is not a de Polignac number, because 22534345 - 2⁷ = 22534217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253430 + ... + 2253439.

It is an arithmetic number, because the mean of its divisors is an integer number (6760305).

Almost surely, 2^22534345 is an apocalyptic number.

It is an amenable number.

22534345 is a deficient number, since it is larger than the sum of its proper divisors (4506875).

22534345 is an equidigital number, since it uses as much as digits as its factorization.

22534345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506874.

The product of its digits is 14400, while the sum is 28.

The square root of 22534345 is about 4747.0353906412. The cubic root of 22534345 is about 282.4543795599.

Adding to 22534345 its reverse (54343522), we get a palindrome (76877867).

The spelling of 22534345 in words is "twenty-two million, five hundred thirty-four thousand, three hundred forty-five".