22144805016 has 32 divisors (see below), whose sum is σ = 55760308800. Its totient is φ = 7328495520.

The previous prime is 22144804999. The next prime is 22144805017. The reversal of 22144805016 is 61050844122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144805017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315730 + ... + 3322401.

It is an arithmetic number, because the mean of its divisors is an integer number (1742509650).

Almost surely, 2^22144805016 is an apocalyptic number.

It is an amenable number.

22144805016 is an abundant number, since it is smaller than the sum of its proper divisors (33615503784).

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

22144805016 is a wasteful number, since it uses less digits than its factorization.

22144805016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638279 (or 6638275 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 22144805016 in words is "twenty-two billion, one hundred forty-four million, eight hundred five thousand, sixteen".