2251232 has 12 divisors (see below), whose sum is σ = 4432176. Its totient is φ = 1125600.

The previous prime is 2251229. The next prime is 2251279. The reversal of 2251232 is 2321522.

It is a self number, because there is not a number n which added to its sum of digits gives 2251232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35144 + ... + 35207.

It is an arithmetic number, because the mean of its divisors is an integer number (369348).

2^2251232 is an apocalyptic number.

It is an amenable number.

2251232 is a deficient number, since it is larger than the sum of its proper divisors (2180944).

2251232 is an equidigital number, since it uses as much as digits as its factorization.

2251232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70361 (or 70353 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 2251232 is about 1500.4106104663. The cubic root of 2251232 is about 131.0609820384.

Adding to 2251232 its reverse (2321522), we get a palindrome (4572754).

The spelling of 2251232 in words is "two million, two hundred fifty-one thousand, two hundred thirty-two".