22001113488 has 80 divisors (see below), whose sum is σ = 57308832000. Its totient is φ = 7272842880.

The previous prime is 22001113487. The next prime is 22001113513. The reversal of 22001113488 is 88431110022.

It is a super-2 number, since 2×22001113488² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22001113487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10480663 + ... + 10482761.

It is an arithmetic number, because the mean of its divisors is an integer number (716360400).

Almost surely, 2^22001113488 is an apocalyptic number.

It is an amenable number.

22001113488 is an abundant number, since it is smaller than the sum of its proper divisors (35307718512).

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

22001113488 is a wasteful number, since it uses less digits than its factorization.

22001113488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3814 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 22001113488 in words is "twenty-two billion, one million, one hundred thirteen thousand, four hundred eighty-eight".