19130227 has 18 divisors (see below), whose sum is σ = 21193172. Its totient is φ = 17256624.

The previous prime is 19130203. The next prime is 19130233. The reversal of 19130227 is 72203191.

It is not a de Polignac number, because 19130227 - 2¹⁵ = 19097459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19130257) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 444868 + ... + 444910.

Almost surely, 2^19130227 is an apocalyptic number.

19130227 is a deficient number, since it is larger than the sum of its proper divisors (2062945).

19130227 is an equidigital number, since it uses as much as digits as its factorization.

19130227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 19130227 is about 4373.8114957094. The cubic root of 19130227 is about 267.4484228157.

The spelling of 19130227 in words is "nineteen million, one hundred thirty thousand, two hundred twenty-seven".