2216666225452 has 12 divisors (see below), whose sum is σ = 4433332450960. Its totient is φ = 949999810896.

The previous prime is 2216666225393. The next prime is 2216666225467. The reversal of 2216666225452 is 2545226666122.

2216666225452 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2216666225396 and 2216666225405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39583325427 + ... + 39583325482.

Almost surely, 2^{2216666225452} is an apocalyptic number.

It is an amenable number.

2216666225452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2216666225452 is a wasteful number, since it uses less digits than its factorization.

2216666225452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79166650920 (or 79166650918 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 49.

The spelling of 2216666225452 in words is "two trillion, two hundred sixteen billion, six hundred sixty-six million, two hundred twenty-five thousand, four hundred fifty-two".