22002222208 has 32 divisors (see below), whose sum is σ = 43844757120. Its totient is φ = 10998048000.

The previous prime is 22002222191. The next prime is 22002222293. The reversal of 22002222208 is 80222220022.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478633 + ... + 522583.

It is an arithmetic number, because the mean of its divisors is an integer number (1370148660).

Almost surely, 2^22002222208 is an apocalyptic number.

It is an amenable number.

22002222208 is a deficient number, since it is larger than the sum of its proper divisors (21842534912).

22002222208 is an equidigital number, since it uses as much as digits as its factorization.

22002222208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47876 (or 47864 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The spelling of 22002222208 in words is "twenty-two billion, two million, two hundred twenty-two thousand, two hundred eight".