1188228 has 24 divisors (see below), whose sum is σ = 2808288. Its totient is φ = 390976.

The previous prime is 1188227. The next prime is 1188233. The reversal of 1188228 is 8228811.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1188195 and 1188204.

It is not an unprimeable number, because it can be changed into a prime (1188223) 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, 400 + ... + 1592.

It is an arithmetic number, because the mean of its divisors is an integer number (117012).

2^1188228 is an apocalyptic number.

It is an amenable number.

1188228 is an abundant number, since it is smaller than the sum of its proper divisors (1620060).

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

1188228 is a wasteful number, since it uses less digits than its factorization.

1188228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1281 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 1188228 is about 1090.0587140150. The cubic root of 1188228 is about 105.9172250424.

The spelling of 1188228 in words is "one million, one hundred eighty-eight thousand, two hundred twenty-eight".