2233840 has 40 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 765696.

The previous prime is 2233793. The next prime is 2233843. The reversal of 2233840 is 483322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2233840² = 9980082291200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233843) 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, 1435 + ... + 2554.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2^2233840 is an apocalyptic number.

2233840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2233840 is an abundant number, since it is smaller than the sum of its proper divisors (3703280).

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

2233840 is a wasteful number, since it uses less digits than its factorization.

2233840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 4003 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2233840 is about 1494.6036263839. The cubic root of 2233840 is about 130.7226031971.

The spelling of 2233840 in words is "two million, two hundred thirty-three thousand, eight hundred forty".