205125522 has 16 divisors (see below), whose sum is σ = 468858432. Its totient is φ = 58607280.

The previous prime is 205125517. The next prime is 205125551. The reversal of 205125522 is 225521502.

It is a junction number, because it is equal to n+sod(n) for n = 205125492 and 205125501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2441929 + ... + 2442012.

It is an arithmetic number, because the mean of its divisors is an integer number (29303652).

Almost surely, 2^205125522 is an apocalyptic number.

205125522 is an abundant number, since it is smaller than the sum of its proper divisors (263732910).

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

205125522 is a wasteful number, since it uses less digits than its factorization.

205125522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883953.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 205125522 is about 14322.2038108665. The cubic root of 205125522 is about 589.7571748041.

The spelling of 205125522 in words is "two hundred five million, one hundred twenty-five thousand, five hundred twenty-two".