7220252 has 24 divisors (see below), whose sum is σ = 14201376. Its totient is φ = 3187008.

The previous prime is 7220249. The next prime is 7220261. The reversal of 7220252 is 2520227.

It is a congruent number.

It is an unprimeable number.

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, 1823 + ... + 4214.

It is an arithmetic number, because the mean of its divisors is an integer number (591724).

Almost surely, 2^7220252 is an apocalyptic number.

It is an amenable number.

7220252 is a deficient number, since it is larger than the sum of its proper divisors (6981124).

7220252 is a wasteful number, since it uses less digits than its factorization.

7220252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077 (or 6075 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 7220252 is about 2687.0526604442. The cubic root of 7220252 is about 193.2787545765.

Adding to 7220252 its reverse (2520227), we get a palindrome (9740479).

The spelling of 7220252 in words is "seven million, two hundred twenty thousand, two hundred fifty-two".