2238028 has 24 divisors (see below), whose sum is σ = 4258688. Its totient is φ = 1022976.

The previous prime is 2238023. The next prime is 2238043. The reversal of 2238028 is 8208322.

It is a junction number, because it is equal to n+sod(n) for n = 2237993 and 2238011.

It is not an unprimeable number, because it can be changed into a prime (2238023) 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, 9925 + ... + 10147.

2^2238028 is an apocalyptic number.

It is an amenable number.

2238028 is a deficient number, since it is larger than the sum of its proper divisors (2020660).

2238028 is a wasteful number, since it uses less digits than its factorization.

2238028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2238028 is about 1496.0040106898. The cubic root of 2238028 is about 130.8042450467.

It can be divided in two parts, 22380 and 28, that multiplied together give a triangular number (626640 = T₁₁₁₉).

The spelling of 2238028 in words is "two million, two hundred thirty-eight thousand, twenty-eight".