22155023512216 has 48 divisors (see below), whose sum is σ = 50866125427800. Its totient is φ = 8995272701184.

The previous prime is 22155023512169. The next prime is 22155023512253. The reversal of 22155023512216 is 61221532055122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1487306161 + ... + 1487321056.

Almost surely, 2^{22155023512216} is an apocalyptic number.

It is an amenable number.

22155023512216 is an abundant number, since it is smaller than the sum of its proper divisors (28711101915584).

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

22155023512216 is a wasteful number, since it uses less digits than its factorization.

22155023512216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974627256 (or 2974627245 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 22155023512216 its reverse (61221532055122), we get a palindrome (83376555567338).

The spelling of 22155023512216 in words is "twenty-two trillion, one hundred fifty-five billion, twenty-three million, five hundred twelve thousand, two hundred sixteen".