7227725 has 6 divisors (see below), whose sum is σ = 8962410. Its totient is φ = 5782160.

The previous prime is 7227721. The next prime is 7227739. The reversal of 7227725 is 5277227.

It can be written as a sum of positive squares in 3 ways, for example, as 561001 + 6666724 = 749^2 + 2582^2 .

It is not a de Polignac number, because 7227725 - 2² = 7227721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7227691 and 7227700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7227721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144530 + ... + 144579.

It is an arithmetic number, because the mean of its divisors is an integer number (1493735).

Almost surely, 2^7227725 is an apocalyptic number.

It is an amenable number.

7227725 is a deficient number, since it is larger than the sum of its proper divisors (1734685).

7227725 is a wasteful number, since it uses less digits than its factorization.

7227725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289119 (or 289114 counting only the distinct ones).

The product of its digits is 13720, while the sum is 32.

The square root of 7227725 is about 2688.4428578640. The cubic root of 7227725 is about 193.3454131044.

The spelling of 7227725 in words is "seven million, two hundred twenty-seven thousand, seven hundred twenty-five".