22002112210 has 16 divisors (see below), whose sum is σ = 42650248536. Its totient is φ = 8123856768.

The previous prime is 22002112207. The next prime is 22002112217. The reversal of 22002112210 is 1221120022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6149539561 + 15852572649 = 78419^2 + 125907^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (22002112217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84623379 + ... + 84623638.

Almost surely, 2^22002112210 is an apocalyptic number.

22002112210 is a deficient number, since it is larger than the sum of its proper divisors (20648136326).

22002112210 is a wasteful number, since it uses less digits than its factorization.

22002112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169247037.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22002112210 its reverse (1221120022), we get a palindrome (23223232232).

The spelling of 22002112210 in words is "twenty-two billion, two million, one hundred twelve thousand, two hundred ten".