2235812 has 12 divisors (see below), whose sum is σ = 4008396. Its totient is φ = 1090560.

The previous prime is 2235811. The next prime is 2235829. The reversal of 2235812 is 2185322.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 1503076 = 856^2 + 1226^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6653 + ... + 6980.

It is an arithmetic number, because the mean of its divisors is an integer number (334033).

2^2235812 is an apocalyptic number.

It is an amenable number.

2235812 is a deficient number, since it is larger than the sum of its proper divisors (1772584).

2235812 is a wasteful number, since it uses less digits than its factorization.

2235812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13678 (or 13676 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 2235812 is about 1495.2631875359. The cubic root of 2235812 is about 130.7610585258.

The spelling of 2235812 in words is "two million, two hundred thirty-five thousand, eight hundred twelve".