22066744650 has 48 divisors (see below), whose sum is σ = 54866354400. Its totient is φ = 5869322560.

The previous prime is 22066744649. The next prime is 22066744657. The reversal of 22066744650 is 5644766022.

It is not an unprimeable number, because it can be changed into a prime (22066744657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130740 + ... + 247439.

It is an arithmetic number, because the mean of its divisors is an integer number (1143049050).

Almost surely, 2^22066744650 is an apocalyptic number.

22066744650 is an abundant number, since it is smaller than the sum of its proper divisors (32799609750).

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

22066744650 is a wasteful number, since it uses less digits than its factorization.

22066744650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378583 (or 378578 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 22066744650 in words is "twenty-two billion, sixty-six million, seven hundred forty-four thousand, six hundred fifty".