22644106 has 4 divisors (see below), whose sum is σ = 33966162. Its totient is φ = 11322052.

The previous prime is 22644077. The next prime is 22644107. The reversal of 22644106 is 60144622.

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., 20930625 + 1713481 = 4575^2 + 1309^2 .

It is not an unprimeable number, because it can be changed into a prime (22644107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661025 + ... + 5661028.

Almost surely, 2^22644106 is an apocalyptic number.

22644106 is a deficient number, since it is larger than the sum of its proper divisors (11322056).

22644106 is a wasteful number, since it uses less digits than its factorization.

22644106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322055.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22644106 is about 4758.5823519195. The cubic root of 22644106 is about 282.9122328941.

Adding to 22644106 its reverse (60144622), we get a palindrome (82788728).

The spelling of 22644106 in words is "twenty-two million, six hundred forty-four thousand, one hundred six".