22016421466540 has 24 divisors (see below), whose sum is σ = 46234746582192. Its totient is φ = 8806518776640.

The previous prime is 22016421466537. The next prime is 22016421466541. The reversal of 22016421466540 is 4566412461022.

It is not an unprimeable number, because it can be changed into a prime (22016421466541) 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, 620562 + ... + 6664678.

It is an arithmetic number, because the mean of its divisors is an integer number (1926447774258).

Almost surely, 2^{22016421466540} is an apocalyptic number.

22016421466540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22016421466540 is an abundant number, since it is smaller than the sum of its proper divisors (24218325115652).

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

22016421466540 is a wasteful number, since it uses less digits than its factorization.

22016421466540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226257 (or 6226255 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 22016421466540 in words is "twenty-two trillion, sixteen billion, four hundred twenty-one million, four hundred sixty-six thousand, five hundred forty".