222554664646 has 16 divisors (see below), whose sum is σ = 335226142800. Its totient is φ = 110813518368.

The previous prime is 222554664593. The next prime is 222554664667. The reversal of 222554664646 is 646466455222.

It is a junction number, because it is equal to n+sod(n) for n = 222554664593 and 222554664602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270160 + ... + 719788.

It is an arithmetic number, because the mean of its divisors is an integer number (20951633925).

Almost surely, 2^222554664646 is an apocalyptic number.

222554664646 is a deficient number, since it is larger than the sum of its proper divisors (112671478154).

222554664646 is a wasteful number, since it uses less digits than its factorization.

222554664646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450663.

The product of its digits is 16588800, while the sum is 52.

The spelling of 222554664646 in words is "two hundred twenty-two billion, five hundred fifty-four million, six hundred sixty-four thousand, six hundred forty-six".