2800233 has 6 divisors (see below), whose sum is σ = 4044794. Its totient is φ = 1866816.

The previous prime is 2800219. The next prime is 2800241. The reversal of 2800233 is 3320082.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 514089 = 1512^2 + 717^2 .

It is not a de Polignac number, because 2800233 - 2⁸ = 2799977 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155560 + ... + 155577.

2^2800233 is an apocalyptic number.

It is an amenable number.

2800233 is a deficient number, since it is larger than the sum of its proper divisors (1244561).

2800233 is a wasteful number, since it uses less digits than its factorization.

2800233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311143 (or 311140 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2800233 is about 1673.3896736863. The cubic root of 2800233 is about 140.9498841057.

The spelling of 2800233 in words is "two million, eight hundred thousand, two hundred thirty-three".