22100102008 has 8 divisors (see below), whose sum is σ = 41437691280. Its totient is φ = 11050051000.

The previous prime is 22100101993. The next prime is 22100102009. The reversal of 22100102008 is 80020100122.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22100101982 and 22100102000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100102009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1381256368 + ... + 1381256383.

It is an arithmetic number, because the mean of its divisors is an integer number (5179711410).

Almost surely, 2^22100102008 is an apocalyptic number.

It is an amenable number.

22100102008 is a deficient number, since it is larger than the sum of its proper divisors (19337589272).

22100102008 is a wasteful number, since it uses less digits than its factorization.

22100102008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762512757 (or 2762512753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 22100102008 in words is "twenty-two billion, one hundred million, one hundred two thousand, eight".