22144475112 has 32 divisors (see below), whose sum is σ = 55898681280. Its totient is φ = 7309825920.

The previous prime is 22144475107. The next prime is 22144475113. The reversal of 22144475112 is 21157444122.

It is not an unprimeable number, because it can be changed into a prime (22144475113) 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, 4476589 + ... + 4481532.

It is an arithmetic number, because the mean of its divisors is an integer number (1746833790).

Almost surely, 2^22144475112 is an apocalyptic number.

It is an amenable number.

22144475112 is an abundant number, since it is smaller than the sum of its proper divisors (33754206168).

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

22144475112 is a wasteful number, since it uses less digits than its factorization.

22144475112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8958233 (or 8958229 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The spelling of 22144475112 in words is "twenty-two billion, one hundred forty-four million, four hundred seventy-five thousand, one hundred twelve".