22634 has 4 divisors (see below), whose sum is σ = 33954. Its totient is φ = 11316.

The previous prime is 22621. The next prime is 22637. The reversal of 22634 is 43622.

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

It can be written as a sum of positive squares in only one way, i.e., 13225 + 9409 = 115^2 + 97^2 .

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (22637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657 + ... + 5660.

2²²⁶³⁴ is an apocalyptic number.

22634 is a deficient number, since it is larger than the sum of its proper divisors (11320).

22634 is a wasteful number, since it uses less digits than its factorization.

22634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11319.

The product of its digits is 288, while the sum is 17.

The square root of 22634 is about 150.4460036026. The cubic root of 22634 is about 28.2870138990.

Adding to 22634 its product of digits (288), we get a palindrome (22922).

It can be divided in two parts, 22 and 634, that added together give a palindrome (656).

The spelling of 22634 in words is "twenty-two thousand, six hundred thirty-four".