187226 has 16 divisors (see below), whose sum is σ = 319200. Its totient is φ = 81648.

The previous prime is 187223. The next prime is 187237. The reversal of 187226 is 622781.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 187195 and 187204.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 187226.

It is not an unprimeable number, because it can be changed into a prime (187223) by changing a digit.

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, 305 + ... + 683.

It is an arithmetic number, because the mean of its divisors is an integer number (19950).

2¹⁸⁷²²⁶ is an apocalyptic number.

187226 is a deficient number, since it is larger than the sum of its proper divisors (131974).

187226 is a wasteful number, since it uses less digits than its factorization.

187226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its digits is 1344, while the sum is 26.

The square root of 187226 is about 432.6961982731. The cubic root of 187226 is about 57.2078183846.

The spelling of 187226 in words is "one hundred eighty-seven thousand, two hundred twenty-six".