22530434 has 8 divisors (see below), whose sum is σ = 33971340. Its totient is φ = 11206656.

The previous prime is 22530379. The next prime is 22530449. The reversal of 22530434 is 43403522.

It can be written as a sum of positive squares in 2 ways, for example, as 22231225 + 299209 = 4715^2 + 547^2 .

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

It is a nialpdrome in base 12.

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, 28799 + ... + 29570.

Almost surely, 2^22530434 is an apocalyptic number.

22530434 is a deficient number, since it is larger than the sum of its proper divisors (11440906).

22530434 is a wasteful number, since it uses less digits than its factorization.

22530434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58564.

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

The square root of 22530434 is about 4746.6234314510. The cubic root of 22530434 is about 282.4380379416.

Adding to 22530434 its reverse (43403522), we get a palindrome (65933956).

The spelling of 22530434 in words is "twenty-two million, five hundred thirty thousand, four hundred thirty-four".