22216300447 has 16 divisors (see below), whose sum is σ = 24603148800. Its totient is φ = 19891909440.

The previous prime is 22216300441. The next prime is 22216300481. The reversal of 22216300447 is 74400361222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22216300447 - 2²³ = 22207911839 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324168 + ... + 386674.

It is an arithmetic number, because the mean of its divisors is an integer number (1537696800).

Almost surely, 2^22216300447 is an apocalyptic number.

22216300447 is a deficient number, since it is larger than the sum of its proper divisors (2386848353).

22216300447 is a wasteful number, since it uses less digits than its factorization.

22216300447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63006.

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 22216300447 its reverse (74400361222), we get a palindrome (96616661669).

The spelling of 22216300447 in words is "twenty-two billion, two hundred sixteen million, three hundred thousand, four hundred forty-seven".