227910189 has 32 divisors (see below), whose sum is σ = 332819200. Its totient is φ = 138715200.

The previous prime is 227910169. The next prime is 227910209. The reversal of 227910189 is 981019722.

227910189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (227910169) and next prime (227910209).

It is not a de Polignac number, because 227910189 - 2¹⁶ = 227844653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227910119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 995127 + ... + 995355.

It is an arithmetic number, because the mean of its divisors is an integer number (10400600).

Almost surely, 2^227910189 is an apocalyptic number.

It is an amenable number.

227910189 is a deficient number, since it is larger than the sum of its proper divisors (104909011).

227910189 is a wasteful number, since it uses less digits than its factorization.

227910189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 227910189 is about 15096.6946382312. The cubic root of 227910189 is about 610.8312496101.

The spelling of 227910189 in words is "two hundred twenty-seven million, nine hundred ten thousand, one hundred eighty-nine".