22281826466 has 4 divisors (see below), whose sum is σ = 33422739702. Its totient is φ = 11140913232.

The previous prime is 22281826459. The next prime is 22281826481. The reversal of 22281826466 is 66462818222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20169964441 + 2111862025 = 142021^2 + 45955^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22281826466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570456615 + ... + 5570456618.

Almost surely, 2^22281826466 is an apocalyptic number.

22281826466 is a deficient number, since it is larger than the sum of its proper divisors (11140913236).

22281826466 is a wasteful number, since it uses less digits than its factorization.

22281826466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140913235.

The product of its digits is 884736, while the sum is 47.

The spelling of 22281826466 in words is "twenty-two billion, two hundred eighty-one million, eight hundred twenty-six thousand, four hundred sixty-six".