2221752 has 32 divisors (see below), whose sum is σ = 5982480. Its totient is φ = 683520.

The previous prime is 2221741. The next prime is 2221753. The reversal of 2221752 is 2571222.

It is a happy number.

2221752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221753) 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 7 ways as a sum of consecutive naturals, for example, 3249 + ... + 3872.

2^2221752 is an apocalyptic number.

It is an amenable number.

2221752 is an abundant number, since it is smaller than the sum of its proper divisors (3760728).

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

2221752 is a wasteful number, since it uses less digits than its factorization.

2221752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143 (or 7139 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 2221752 is about 1490.5542593277. The cubic root of 2221752 is about 130.4863831009.

Adding to 2221752 its reverse (2571222), we get a palindrome (4792974).

The spelling of 2221752 in words is "two million, two hundred twenty-one thousand, seven hundred fifty-two".