2152244 has 12 divisors (see below), whose sum is σ = 3964800. Its totient is φ = 1019448.

The previous prime is 2152231. The next prime is 2152247. The reversal of 2152244 is 4422512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152247) 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, 14084 + ... + 14235.

It is an arithmetic number, because the mean of its divisors is an integer number (330400).

2^2152244 is an apocalyptic number.

It is an amenable number.

2152244 is a deficient number, since it is larger than the sum of its proper divisors (1812556).

2152244 is a wasteful number, since it uses less digits than its factorization.

2152244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28342 (or 28340 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 2152244 is about 1467.0528279513. The cubic root of 2152244 is about 129.1111755164. Note that the first 4 decimals are identical.

Adding to 2152244 its reverse (4422512), we get a palindrome (6574756).

The spelling of 2152244 in words is "two million, one hundred fifty-two thousand, two hundred forty-four".