22216300446 has 16 divisors (see below), whose sum is σ = 44440913664. Its totient is φ = 7404048024.

The previous prime is 22216300441. The next prime is 22216300481. The reversal of 22216300446 is 64400361222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22216300441) 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, 311350 + ... + 375993.

It is an arithmetic number, because the mean of its divisors is an integer number (2777557104).

Almost surely, 2^22216300446 is an apocalyptic number.

22216300446 is an abundant number, since it is smaller than the sum of its proper divisors (22224613218).

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

22216300446 is a wasteful number, since it uses less digits than its factorization.

22216300446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692735.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 22216300446 its reverse (64400361222), we get a palindrome (86616661668).

The spelling of 22216300446 in words is "twenty-two billion, two hundred sixteen million, three hundred thousand, four hundred forty-six".