189355522 has 16 divisors (see below), whose sum is σ = 286887744. Its totient is φ = 93730000.

The previous prime is 189355511. The next prime is 189355541. The reversal of 189355522 is 225553981.

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 7 ways as a sum of consecutive naturals, for example, 183147 + ... + 184177.

It is an arithmetic number, because the mean of its divisors is an integer number (17930484).

Almost surely, 2^189355522 is an apocalyptic number.

189355522 is a deficient number, since it is larger than the sum of its proper divisors (97532222).

189355522 is a wasteful number, since it uses less digits than its factorization.

189355522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865.

The product of its digits is 108000, while the sum is 40.

The square root of 189355522 is about 13760.6512200550. The cubic root of 189355522 is about 574.2389649553.

The spelling of 189355522 in words is "one hundred eighty-nine million, three hundred fifty-five thousand, five hundred twenty-two".