22116002 has 4 divisors (see below), whose sum is σ = 33174006. Its totient is φ = 11058000.

The previous prime is 22116001. The next prime is 22116013. The reversal of 22116002 is 20061122.

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., 11689561 + 10426441 = 3419^2 + 3229^2 .

It is not an unprimeable number, because it can be changed into a prime (22116001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528999 + ... + 5529002.

Almost surely, 2^22116002 is an apocalyptic number.

22116002 is a deficient number, since it is larger than the sum of its proper divisors (11058004).

22116002 is a wasteful number, since it uses less digits than its factorization.

22116002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11058003.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 22116002 is about 4702.7653566811. The cubic root of 22116002 is about 280.6955581231.

Adding to 22116002 its reverse (20061122), we get a palindrome (42177124).

The spelling of 22116002 in words is "twenty-two million, one hundred sixteen thousand, two".