2213447766266 has 24 divisors (see below), whose sum is σ = 3658545891252. Its totient is φ = 1003603568000.

The previous prime is 2213447766251. The next prime is 2213447766301. The reversal of 2213447766266 is 6626677443122.

It can be written as a sum of positive squares in 2 ways, for example, as 1830936440641 + 382511325625 = 1353121^2 + 618475^2 .

It is a super-3 number, since 3×2213447766266³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11307545 + ... + 11501628.

Almost surely, 2^{2213447766266} is an apocalyptic number.

2213447766266 is a deficient number, since it is larger than the sum of its proper divisors (1445098124986).

2213447766266 is a wasteful number, since it uses less digits than its factorization.

2213447766266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22809598 (or 22809587 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 56.

The spelling of 2213447766266 in words is "two trillion, two hundred thirteen billion, four hundred forty-seven million, seven hundred sixty-six thousand, two hundred sixty-six".