205302122 has 8 divisors (see below), whose sum is σ = 316276356. Its totient is φ = 99876672.

The previous prime is 205302121. The next prime is 205302133. The reversal of 205302122 is 221203502.

205302122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 196308121 + 8994001 = 14011^2 + 2999^2 .

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

It is a super-2 number, since 2×205302122² = 84297922595405768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 205302122.

It is not an unprimeable number, because it can be changed into a prime (205302121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387103 + ... + 1387250.

Almost surely, 2^205302122 is an apocalyptic number.

205302122 is a deficient number, since it is larger than the sum of its proper divisors (110974234).

205302122 is a wasteful number, since it uses less digits than its factorization.

205302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774392.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 205302122 is about 14328.3677367661. The cubic root of 205302122 is about 589.9263740358.

Adding to 205302122 its reverse (221203502), we get a palindrome (426505624).

The spelling of 205302122 in words is "two hundred five million, three hundred two thousand, one hundred twenty-two".