205454422 has 16 divisors (see below), whose sum is σ = 320044032. Its totient is φ = 98813160.

The previous prime is 205454419. The next prime is 205454443. The reversal of 205454422 is 224454502.

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 7 ways as a sum of consecutive naturals, for example, 433 + ... + 20275.

It is an arithmetic number, because the mean of its divisors is an integer number (20002752).

Almost surely, 2^205454422 is an apocalyptic number.

205454422 is a deficient number, since it is larger than the sum of its proper divisors (114589610).

205454422 is a wasteful number, since it uses less digits than its factorization.

205454422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20043.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 205454422 is about 14333.6813833711. The cubic root of 205454422 is about 590.0722137024.

The spelling of 205454422 in words is "two hundred five million, four hundred fifty-four thousand, four hundred twenty-two".