2235644 has 12 divisors (see below), whose sum is σ = 3924144. Its totient is φ = 1114464.

The previous prime is 2235641. The next prime is 2235647. The reversal of 2235644 is 4465322.

2235644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2235641) and next prime (2235647).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2¹⁷ + 2¹⁹ + 3¹² + 5 + 6 + 4⁴ + 4¹⁰ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2235641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (327012).

2^2235644 is an apocalyptic number.

It is an amenable number.

2235644 is a deficient number, since it is larger than the sum of its proper divisors (1688500).

2235644 is a wasteful number, since it uses less digits than its factorization.

2235644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1682 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 2235644 is about 1495.2070090793. The cubic root of 2235644 is about 130.7577832939.

The spelling of 2235644 in words is "two million, two hundred thirty-five thousand, six hundred forty-four".