22216555010665 has 16 divisors (see below), whose sum is σ = 26776061664768. Its totient is φ = 17695790359936.

The previous prime is 22216555010609. The next prime is 22216555010681. The reversal of 22216555010665 is 56601055561222.

It is a cyclic number.

It is not a de Polignac number, because 22216555010665 - 2⁷ = 22216555010537 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 17156682 + ... + 18406108.

It is an arithmetic number, because the mean of its divisors is an integer number (1673503854048).

Almost surely, 2^{22216555010665} is an apocalyptic number.

It is an amenable number.

22216555010665 is a deficient number, since it is larger than the sum of its proper divisors (4559506654103).

22216555010665 is a wasteful number, since it uses less digits than its factorization.

22216555010665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264928.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 22216555010665 in words is "twenty-two trillion, two hundred sixteen billion, five hundred fifty-five million, ten thousand, six hundred sixty-five".