22645102 has 4 divisors (see below), whose sum is σ = 33967656. Its totient is φ = 11322550.

The previous prime is 22645099. The next prime is 22645121. The reversal of 22645102 is 20154622.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5661274 + ... + 5661277.

It is an arithmetic number, because the mean of its divisors is an integer number (8491914).

Almost surely, 2^22645102 is an apocalyptic number.

22645102 is a deficient number, since it is larger than the sum of its proper divisors (11322554).

22645102 is a wasteful number, since it uses less digits than its factorization.

22645102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11322553.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22645102 is about 4758.6870037858. The cubic root of 22645102 is about 282.9163807940.

Adding to 22645102 its reverse (20154622), we get a palindrome (42799724).

The spelling of 22645102 in words is "twenty-two million, six hundred forty-five thousand, one hundred two".