22221012108 has 24 divisors (see below), whose sum is σ = 51852620848. Its totient is φ = 7406490816.

The previous prime is 22221012101. The next prime is 22221012119. The reversal of 22221012108 is 80121012222.

It is not an unprimeable number, because it can be changed into a prime (22221012101) 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, 143010 + ... + 254742.

Almost surely, 2^22221012108 is an apocalyptic number.

It is an amenable number.

22221012108 is an abundant number, since it is smaller than the sum of its proper divisors (29631608740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22221012108 is a wasteful number, since it uses less digits than its factorization.

22221012108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128313 (or 128311 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 22221012108 in words is "twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred eight".