7221852 has 48 divisors (see below), whose sum is σ = 20428800. Its totient is φ = 2188080.

The previous prime is 7221847. The next prime is 7221859. The reversal of 7221852 is 2581227.

7221852 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1852 + ... + 4227.

It is an arithmetic number, because the mean of its divisors is an integer number (425600).

Almost surely, 2^7221852 is an apocalyptic number.

It is an amenable number.

7221852 is an abundant number, since it is smaller than the sum of its proper divisors (13206948).

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

7221852 is a wasteful number, since it uses less digits than its factorization.

7221852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103 (or 6095 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 7221852 is about 2687.3503679275. The cubic root of 7221852 is about 193.2930303094.

The spelling of 7221852 in words is "seven million, two hundred twenty-one thousand, eight hundred fifty-two".