2152444 has 12 divisors (see below), whose sum is σ = 4304944. Its totient is φ = 922464.

The previous prime is 2152433. The next prime is 2152457. The reversal of 2152444 is 4442512.

It is a happy number.

2152444 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38409 + ... + 38464.

2^2152444 is an apocalyptic number.

It is an amenable number.

2152444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2152444 is a wasteful number, since it uses less digits than its factorization.

2152444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76884 (or 76882 counting only the distinct ones).

The product of its digits is 1280, while the sum is 22.

The square root of 2152444 is about 1467.1209902390. The cubic root of 2152444 is about 129.1151746658.

Adding to 2152444 its reverse (4442512), we get a palindrome (6594956).

The spelling of 2152444 in words is "two million, one hundred fifty-two thousand, four hundred forty-four".