222462206646 has 16 divisors (see below), whose sum is σ = 460266634800. Its totient is φ = 71597031968.

The previous prime is 222462206623. The next prime is 222462206653. The reversal of 222462206646 is 646602264222.

It is a junction number, because it is equal to n+sod(n) for n = 222462206598 and 222462206607.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 639259041 + ... + 639259388.

It is an arithmetic number, because the mean of its divisors is an integer number (28766664675).

Almost surely, 2^222462206646 is an apocalyptic number.

222462206646 is an abundant number, since it is smaller than the sum of its proper divisors (237804428154).

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

222462206646 is a wasteful number, since it uses less digits than its factorization.

222462206646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278518463.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 222462206646 in words is "two hundred twenty-two billion, four hundred sixty-two million, two hundred six thousand, six hundred forty-six".