22204455215666 has 8 divisors (see below), whose sum is σ = 33312757376304. Its totient is φ = 11100202756900.

The previous prime is 22204455215629. The next prime is 22204455215707. The reversal of 22204455215666 is 66651255440222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012411760 + ... + 1012433691.

It is an arithmetic number, because the mean of its divisors is an integer number (4164094672038).

Almost surely, 2^{22204455215666} is an apocalyptic number.

22204455215666 is a deficient number, since it is larger than the sum of its proper divisors (11108302160638).

22204455215666 is a wasteful number, since it uses less digits than its factorization.

22204455215666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024850936.

The product of its (nonzero) digits is 6912000, while the sum is 50.

The spelling of 22204455215666 in words is "twenty-two trillion, two hundred four billion, four hundred fifty-five million, two hundred fifteen thousand, six hundred sixty-six".