22075289988 has 24 divisors (see below), whose sum is σ = 51511635840. Its totient is φ = 7358054880.

The previous prime is 22075289981. The next prime is 22075290019. The reversal of 22075289988 is 88998257022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22075289981) 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, 302373 + ... + 368211.

It is an arithmetic number, because the mean of its divisors is an integer number (2146318160).

Almost surely, 2^22075289988 is an apocalyptic number.

It is an amenable number.

22075289988 is an abundant number, since it is smaller than the sum of its proper divisors (29436345852).

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

22075289988 is a wasteful number, since it uses less digits than its factorization.

22075289988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93787 (or 93785 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 22075289988 in words is "twenty-two billion, seventy-five million, two hundred eighty-nine thousand, nine hundred eighty-eight".