655566022 has 8 divisors (see below), whose sum is σ = 986320872. Its totient is φ = 326792400.

The previous prime is 655566017. The next prime is 655566049. The reversal of 655566022 is 220665556.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494479 + ... + 495802.

It is an arithmetic number, because the mean of its divisors is an integer number (123290109).

Almost surely, 2^655566022 is an apocalyptic number.

655566022 is a deficient number, since it is larger than the sum of its proper divisors (330754850).

655566022 is a wasteful number, since it uses less digits than its factorization.

655566022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990614.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 655566022 is about 25604.0235509968. The cubic root of 655566022 is about 868.7046482407.

The spelling of 655566022 in words is "six hundred fifty-five million, five hundred sixty-six thousand, twenty-two".