22108066 has 4 divisors (see below), whose sum is σ = 33162102. Its totient is φ = 11054032.

The previous prime is 22108003. The next prime is 22108081. The reversal of 22108066 is 66080122.

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., 17464041 + 4644025 = 4179^2 + 2155^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22108066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527015 + ... + 5527018.

Almost surely, 2^22108066 is an apocalyptic number.

22108066 is a deficient number, since it is larger than the sum of its proper divisors (11054036).

22108066 is a wasteful number, since it uses less digits than its factorization.

22108066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11054035.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 22108066 is about 4701.9215221014. The cubic root of 22108066 is about 280.6619796242.

Adding to 22108066 its reverse (66080122), we get a palindrome (88188188).

The spelling of 22108066 in words is "twenty-two million, one hundred eight thousand, sixty-six".