2233644 has 24 divisors (see below), whose sum is σ = 5956608. Its totient is φ = 638160.

The previous prime is 2233631. The next prime is 2233657. The reversal of 2233644 is 4463322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2233631) and next prime (2233657).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 3⁷ + 3⁷ + 6 + 4² + 4⁵ .

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, 13212 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (248192).

2^2233644 is an apocalyptic number.

It is an amenable number.

2233644 is an abundant number, since it is smaller than the sum of its proper divisors (3722964).

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

2233644 is a wasteful number, since it uses less digits than its factorization.

2233644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26605 (or 26603 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 2233644 is about 1494.5380557216. The cubic root of 2233644 is about 130.7187798287.

Adding to 2233644 its reverse (4463322), we get a palindrome (6696966).

The spelling of 2233644 in words is "two million, two hundred thirty-three thousand, six hundred forty-four".