22666220466 has 16 divisors (see below), whose sum is σ = 46009045344. Its totient is φ = 7442639424.

The previous prime is 22666220407. The next prime is 22666220471. The reversal of 22666220466 is 66402266622.

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, 28191415 + ... + 28192218.

It is an arithmetic number, because the mean of its divisors is an integer number (2875565334).

Almost surely, 2^22666220466 is an apocalyptic number.

22666220466 is an abundant number, since it is smaller than the sum of its proper divisors (23342824878).

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

22666220466 is a wasteful number, since it uses less digits than its factorization.

22666220466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56383705.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 22666220466 in words is "twenty-two billion, six hundred sixty-six million, two hundred twenty thousand, four hundred sixty-six".