2066556222 has 12 divisors (see below), whose sum is σ = 4477538520. Its totient is φ = 688852068.

The previous prime is 2066556139. The next prime is 2066556287. The reversal of 2066556222 is 2226556602.

2066556222 is a `hidden beast` number, since 20 + 6 + 6 + 5 + 5 + 622 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57404322 + ... + 57404357.

It is an arithmetic number, because the mean of its divisors is an integer number (373128210).

Almost surely, 2^2066556222 is an apocalyptic number.

2066556222 is an abundant number, since it is smaller than the sum of its proper divisors (2410982298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066556222 is a wasteful number, since it uses less digits than its factorization.

2066556222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114808687 (or 114808684 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2066556222 is about 45459.3909110098. The cubic root of 2066556222 is about 1273.7447539962.

The spelling of 2066556222 in words is "two billion, sixty-six million, five hundred fifty-six thousand, two hundred twenty-two".