2228666346396 has 72 divisors (see below), whose sum is σ = 6438506771424. Its totient is φ = 636748231680.

The previous prime is 2228666346391. The next prime is 2228666346433. The reversal of 2228666346396 is 6936436668222.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2228666346391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21903736 + ... + 22005248.

Almost surely, 2^{2228666346396} is an apocalyptic number.

It is an amenable number.

2228666346396 is an abundant number, since it is smaller than the sum of its proper divisors (4209840425028).

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

2228666346396 is a wasteful number, since it uses less digits than its factorization.

2228666346396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188651 (or 188646 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 63.

The spelling of 2228666346396 in words is "two trillion, two hundred twenty-eight billion, six hundred sixty-six million, three hundred forty-six thousand, three hundred ninety-six".