22721852108 has 6 divisors (see below), whose sum is σ = 39763241196. Its totient is φ = 11360926052.

The previous prime is 22721852093. The next prime is 22721852113. The reversal of 22721852108 is 80125812722.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840231510 + ... + 2840231517.

It is an arithmetic number, because the mean of its divisors is an integer number (6627206866).

Almost surely, 2^22721852108 is an apocalyptic number.

It is an amenable number.

22721852108 is a deficient number, since it is larger than the sum of its proper divisors (17041389088).

22721852108 is a wasteful number, since it uses less digits than its factorization.

22721852108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680463031 (or 5680463029 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 38.

The spelling of 22721852108 in words is "twenty-two billion, seven hundred twenty-one million, eight hundred fifty-two thousand, one hundred eight".