2216853688225 has 24 divisors (see below), whose sum is σ = 2998928377728. Its totient is φ = 1612187371200.

The previous prime is 2216853688177. The next prime is 2216853688243. The reversal of 2216853688225 is 5228863586122.

It is not a de Polignac number, because 2216853688225 - 2¹⁹ = 2216853163937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2216853688225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6670707 + ... + 6995143.

It is an arithmetic number, because the mean of its divisors is an integer number (124955349072).

Almost surely, 2^{2216853688225} is an apocalyptic number.

2216853688225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2216853688225 is a deficient number, since it is larger than the sum of its proper divisors (782074689503).

2216853688225 is a wasteful number, since it uses less digits than its factorization.

2216853688225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349305 (or 349300 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 58.

The spelling of 2216853688225 in words is "two trillion, two hundred sixteen billion, eight hundred fifty-three million, six hundred eighty-eight thousand, two hundred twenty-five".