2233818 has 20 divisors (see below), whose sum is σ = 5005770. Its totient is φ = 744552.

The previous prime is 2233793. The next prime is 2233843. The reversal of 2233818 is 8183322.

It is an interprime number because it is at equal distance from previous prime (2233793) and next prime (2233843).

It can be written as a sum of positive squares in only one way, i.e., 1306449 + 927369 = 1143^2 + 963^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2233791 and 2233800.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6733 + ... + 7056.

2^2233818 is an apocalyptic number.

2233818 is an abundant number, since it is smaller than the sum of its proper divisors (2771952).

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

2233818 is a wasteful number, since it uses less digits than its factorization.

2233818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13803 (or 13794 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2233818 is about 1494.5962665550. The cubic root of 2233818 is about 130.7221740546.

The spelling of 2233818 in words is "two million, two hundred thirty-three thousand, eight hundred eighteen".