22216461663664 has 40 divisors (see below), whose sum is σ = 43066212425280. Its totient is φ = 11102601243648.

The previous prime is 22216461663661. The next prime is 22216461663679. The reversal of 22216461663664 is 46636616461222.

It is not an unprimeable number, because it can be changed into a prime (22216461663661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666803934 + ... + 666837250.

It is an arithmetic number, because the mean of its divisors is an integer number (1076655310632).

Almost surely, 2^{22216461663664} is an apocalyptic number.

It is an amenable number.

22216461663664 is a deficient number, since it is larger than the sum of its proper divisors (20849750761616).

22216461663664 is a wasteful number, since it uses less digits than its factorization.

22216461663664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53197 (or 53191 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 55.

The spelling of 22216461663664 in words is "twenty-two trillion, two hundred sixteen billion, four hundred sixty-one million, six hundred sixty-three thousand, six hundred sixty-four".