22216400616 has 16 divisors (see below), whose sum is σ = 55541001600. Its totient is φ = 7405466864.

The previous prime is 22216400611. The next prime is 22216400651. The reversal of 22216400616 is 61600461222.

It is not an unprimeable number, because it can be changed into a prime (22216400611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462841656 + ... + 462841703.

It is an arithmetic number, because the mean of its divisors is an integer number (3471312600).

Almost surely, 2^22216400616 is an apocalyptic number.

It is an amenable number.

22216400616 is an abundant number, since it is smaller than the sum of its proper divisors (33324600984).

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

22216400616 is a wasteful number, since it uses less digits than its factorization.

22216400616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925683368 (or 925683364 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 22216400616 its reverse (61600461222), we get a palindrome (83816861838).

The spelling of 22216400616 in words is "twenty-two billion, two hundred sixteen million, four hundred thousand, six hundred sixteen".