205022230 has 32 divisors (see below), whose sum is σ = 440100864. Its totient is φ = 67236576.

The previous prime is 205022197. The next prime is 205022243. The reversal of 205022230 is 32220502.

It is a super-2 number, since 2×205022230² = 84068229588345800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62062 + ... + 65281.

It is an arithmetic number, because the mean of its divisors is an integer number (13753152).

Almost surely, 2^205022230 is an apocalyptic number.

205022230 is an abundant number, since it is smaller than the sum of its proper divisors (235078634).

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

205022230 is a wasteful number, since it uses less digits than its factorization.

205022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127380.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 205022230 is about 14318.5973475058. The cubic root of 205022230 is about 589.6581664418.

Adding to 205022230 its reverse (32220502), we get a palindrome (237242732).

The spelling of 205022230 in words is "two hundred five million, twenty-two thousand, two hundred thirty".