2233820 has 24 divisors (see below), whose sum is σ = 4770528. Its totient is φ = 878400.

The previous prime is 2233793. The next prime is 2233843. The reversal of 2233820 is 283322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2233792 and 2233801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (198772).

2^2233820 is an apocalyptic number.

2233820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2233820 is an abundant number, since it is smaller than the sum of its proper divisors (2536708).

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

2233820 is a wasteful number, since it uses less digits than its factorization.

2233820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2233820 is about 1494.5969356318. The cubic root of 2233820 is about 130.7222130677.

The spelling of 2233820 in words is "two million, two hundred thirty-three thousand, eight hundred twenty".