1889228 has 12 divisors (see below), whose sum is σ = 3606792. Its totient is φ = 858720.

The previous prime is 1889221. The next prime is 1889267. The reversal of 1889228 is 8229881.

It is a junction number, because it is equal to n+sod(n) for n = 1889191 and 1889200.

It is not an unprimeable number, because it can be changed into a prime (1889221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21425 + ... + 21512.

It is an arithmetic number, because the mean of its divisors is an integer number (300566).

2^1889228 is an apocalyptic number.

It is an amenable number.

1889228 is a deficient number, since it is larger than the sum of its proper divisors (1717564).

1889228 is a wasteful number, since it uses less digits than its factorization.

1889228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42952 (or 42950 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 1889228 is about 1374.4919061239. The cubic root of 1889228 is about 123.6217226686.

The spelling of 1889228 in words is "one million, eight hundred eighty-nine thousand, two hundred twenty-eight".