189228850 has 12 divisors (see below), whose sum is σ = 351965754. Its totient is φ = 75691520.

The previous prime is 189228811. The next prime is 189228877. The reversal of 189228850 is 58822981.

It can be written as a sum of positive squares in 3 ways, for example, as 178516321 + 10712529 = 13361^2 + 3273^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189228797 and 189228806.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1892239 + ... + 1892338.

Almost surely, 2^189228850 is an apocalyptic number.

189228850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189228850 is a deficient number, since it is larger than the sum of its proper divisors (162736904).

189228850 is a wasteful number, since it uses less digits than its factorization.

189228850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784589 (or 3784584 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 189228850 is about 13756.0477608941. The cubic root of 189228850 is about 574.1108880208.

It can be divided in two parts, 18922 and 8850, that added together give a palindrome (27772).

The spelling of 189228850 in words is "one hundred eighty-nine million, two hundred twenty-eight thousand, eight hundred fifty".