22100000002 has 16 divisors (see below), whose sum is σ = 34410333312. Its totient is φ = 10637597520.

The previous prime is 22099999991. The next prime is 22100000003. The reversal of 22100000002 is 20000000122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22100000003) 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, 1921368 + ... + 1932835.

It is an arithmetic number, because the mean of its divisors is an integer number (2150645832).

Almost surely, 2^22100000002 is an apocalyptic number.

22100000002 is a deficient number, since it is larger than the sum of its proper divisors (12310333310).

22100000002 is a wasteful number, since it uses less digits than its factorization.

22100000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854313.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 22100000002 its reverse (20000000122), we get a palindrome (42100000124).

The spelling of 22100000002 in words is "twenty-two billion, one hundred million, two", and thus it is an aban number.