22110002 has 4 divisors (see below), whose sum is σ = 33165006. Its totient is φ = 11055000.

The previous prime is 22110001. The next prime is 22110017. The reversal of 22110002 is 20001122.

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., 20967241 + 1142761 = 4579^2 + 1069^2 .

It is not an unprimeable number, because it can be changed into a prime (22110001) by changing a digit.

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, 5527499 + ... + 5527502.

Almost surely, 2^22110002 is an apocalyptic number.

22110002 is a deficient number, since it is larger than the sum of its proper divisors (11055004).

22110002 is a wasteful number, since it uses less digits than its factorization.

22110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055003.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 22110002 is about 4702.1273908732. The cubic root of 22110002 is about 280.6701718941.

Adding to 22110002 its reverse (20001122), we get a palindrome (42111124).

The spelling of 22110002 in words is "twenty-two million, one hundred ten thousand, two".