22144529484 has 144 divisors (see below), whose sum is σ = 69858996480. Its totient is φ = 5746043520.

The previous prime is 22144529471. The next prime is 22144529573. The reversal of 22144529484 is 48492544122.

22144529484 is a `hidden beast` number, since 2 + 2 + 1 + 44 + 529 + 4 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3220402 + ... + 3227270.

It is an arithmetic number, because the mean of its divisors is an integer number (485131920).

Almost surely, 2^22144529484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22144529484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34929498240).

22144529484 is an abundant number, since it is smaller than the sum of its proper divisors (47714466996).

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

22144529484 is a wasteful number, since it uses less digits than its factorization.

22144529484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8060 (or 8055 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 22144529484 in words is "twenty-two billion, one hundred forty-four million, five hundred twenty-nine thousand, four hundred eighty-four".