1327287228 has 24 divisors (see below), whose sum is σ = 3103734480. Its totient is φ = 441467520.

The previous prime is 1327287179. The next prime is 1327287229. The reversal of 1327287228 is 8227827231.

It is a super-2 number, since 2×1327287228² = 3523382771223847968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1327287228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327287229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114433 + ... + 125496.

It is an arithmetic number, because the mean of its divisors is an integer number (129322270).

Almost surely, 2^1327287228 is an apocalyptic number.

It is an amenable number.

1327287228 is an abundant number, since it is smaller than the sum of its proper divisors (1776447252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1327287228 is a wasteful number, since it uses less digits than its factorization.

1327287228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240397 (or 240395 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 1327287228 is about 36431.9533925921. The cubic root of 1327287228 is about 1098.9762452975.

The spelling of 1327287228 in words is "one billion, three hundred twenty-seven million, two hundred eighty-seven thousand, two hundred twenty-eight".