1868228 has 12 divisors (see below), whose sum is σ = 3318672. Its totient is φ = 920040.

The previous prime is 1868201. The next prime is 1868231. The reversal of 1868228 is 8228681.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3218 + ... + 3753.

It is an arithmetic number, because the mean of its divisors is an integer number (276556).

2^1868228 is an apocalyptic number.

It is an amenable number.

1868228 is a deficient number, since it is larger than the sum of its proper divisors (1450444).

1868228 is a wasteful number, since it uses less digits than its factorization.

1868228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7042 (or 7040 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 1868228 is about 1366.8313721890. The cubic root of 1868228 is about 123.1619696245.

The spelling of 1868228 in words is "one million, eight hundred sixty-eight thousand, two hundred twenty-eight".