7225148 has 36 divisors (see below), whose sum is σ = 14861952. Its totient is φ = 3064320.

The previous prime is 7225133. The next prime is 7225177. The reversal of 7225148 is 8415227.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 7225148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37340 + ... + 37532.

It is an arithmetic number, because the mean of its divisors is an integer number (412832).

Almost surely, 2^7225148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7225148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7430976).

7225148 is an abundant number, since it is smaller than the sum of its proper divisors (7636804).

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

7225148 is a wasteful number, since it uses less digits than its factorization.

7225148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 393 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 7225148 is about 2687.9635414194. The cubic root of 7225148 is about 193.3224316749.

The spelling of 7225148 in words is "seven million, two hundred twenty-five thousand, one hundred forty-eight".