22643234 has 8 divisors (see below), whose sum is σ = 34793388. Its totient is φ = 11045440.

The previous prime is 22643227. The next prime is 22643251. The reversal of 22643234 is 43234622.

It can be written as a sum of positive squares in 2 ways, for example, as 14250625 + 8392609 = 3775^2 + 2897^2 .

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

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, 137987 + ... + 138150.

Almost surely, 2^22643234 is an apocalyptic number.

22643234 is a deficient number, since it is larger than the sum of its proper divisors (12150154).

22643234 is a wasteful number, since it uses less digits than its factorization.

22643234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276180.

The product of its digits is 6912, while the sum is 26.

The square root of 22643234 is about 4758.4907271109. The cubic root of 22643234 is about 282.9086012996.

Adding to 22643234 its reverse (43234622), we get a palindrome (65877856).

The spelling of 22643234 in words is "twenty-two million, six hundred forty-three thousand, two hundred thirty-four".