22121238808 has 16 divisors (see below), whose sum is σ = 41479074000. Its totient is φ = 11060152416.

The previous prime is 22121238761. The next prime is 22121238823. The reversal of 22121238808 is 80883212122.

It is a happy number.

It is a congruent number.

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, 222373 + ... + 306091.

It is an arithmetic number, because the mean of its divisors is an integer number (2592442125).

Almost surely, 2^22121238808 is an apocalyptic number.

It is an amenable number.

22121238808 is a deficient number, since it is larger than the sum of its proper divisors (19357835192).

22121238808 is a wasteful number, since it uses less digits than its factorization.

22121238808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116754 (or 116750 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 22121238808 in words is "twenty-two billion, one hundred twenty-one million, two hundred thirty-eight thousand, eight hundred eight".