22420220666 has 8 divisors (see below), whose sum is σ = 35400348480. Its totient is φ = 10620104508.

The previous prime is 22420220651. The next prime is 22420220681. The reversal of 22420220666 is 66602202422.

It is an interprime number because it is at equal distance from previous prime (22420220651) and next prime (22420220681).

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 295002866 + ... + 295002941.

It is an arithmetic number, because the mean of its divisors is an integer number (4425043560).

Almost surely, 2^22420220666 is an apocalyptic number.

22420220666 is a deficient number, since it is larger than the sum of its proper divisors (12980127814).

22420220666 is a wasteful number, since it uses less digits than its factorization.

22420220666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590005828.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 22420220666 in words is "twenty-two billion, four hundred twenty million, two hundred twenty thousand, six hundred sixty-six".