2222266401646 has 24 divisors (see below), whose sum is σ = 3578493607344. Its totient is φ = 1031446690560.

The previous prime is 2222266401617. The next prime is 2222266401671. The reversal of 2222266401646 is 6461046622222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5951370 + ... + 6313741.

It is an arithmetic number, because the mean of its divisors is an integer number (149103900306).

Almost surely, 2^{2222266401646} is an apocalyptic number.

2222266401646 is a deficient number, since it is larger than the sum of its proper divisors (1356227205698).

2222266401646 is a wasteful number, since it uses less digits than its factorization.

2222266401646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12265276 (or 12265203 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 2222266401646 in words is "two trillion, two hundred twenty-two billion, two hundred sixty-six million, four hundred one thousand, six hundred forty-six".