205255022 has 12 divisors (see below), whose sum is σ = 358149240. Its totient is φ = 87966396.

The previous prime is 205255009. The next prime is 205255031. The reversal of 205255022 is 220552502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1047122 + ... + 1047317.

It is an arithmetic number, because the mean of its divisors is an integer number (29845770).

Almost surely, 2^205255022 is an apocalyptic number.

205255022 is a deficient number, since it is larger than the sum of its proper divisors (152894218).

205255022 is a wasteful number, since it uses less digits than its factorization.

205255022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094455 (or 2094448 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 205255022 is about 14326.7240498308. The cubic root of 205255022 is about 589.8812573446.

The spelling of 205255022 in words is "two hundred five million, two hundred fifty-five thousand, twenty-two".