22634009 has 6 divisors (see below), whose sum is σ = 23217306. Its totient is φ = 22052240.

The previous prime is 22633981. The next prime is 22634033. The reversal of 22634009 is 90043622.

It can be written as a sum of positive squares in only one way, i.e., 13801225 + 8832784 = 3715^2 + 2972^2 .

It is not a de Polignac number, because 22634009 - 2⁸ = 22633753 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 (22634069) 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 5 ways as a sum of consecutive naturals, for example, 30092 + ... + 30834.

It is an arithmetic number, because the mean of its divisors is an integer number (3869551).

Almost surely, 2^22634009 is an apocalyptic number.

It is an amenable number.

22634009 is a deficient number, since it is larger than the sum of its proper divisors (583297).

22634009 is an frugal number, since it uses more digits than its factorization.

22634009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22634009 is about 4757.5213084126. The cubic root of 22634009 is about 282.8701764829.

The spelling of 22634009 in words is "twenty-two million, six hundred thirty-four thousand, nine".