7225541 has 2 divisors, whose sum is σ = 7225542. Its totient is φ = 7225540.

The previous prime is 7225531. The next prime is 7225571. The reversal of 7225541 is 1455227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3724900 + 3500641 = 1930^2 + 1871^2 .

It is an emirp because it is prime and its reverse (1455227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7225541 - 2¹⁰ = 7224517 is a prime.

It is equal to p₄₉₀₉₄₀ and since 7225541 and 490940 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7225541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7225531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612770 + 3612771.

It is an arithmetic number, because the mean of its divisors is an integer number (3612771).

Almost surely, 2^7225541 is an apocalyptic number.

It is an amenable number.

7225541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7225541 is an equidigital number, since it uses as much as digits as its factorization.

7225541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2800, while the sum is 26.

The square root of 7225541 is about 2688.0366440955. The cubic root of 7225541 is about 193.3259367629.

The spelling of 7225541 in words is "seven million, two hundred twenty-five thousand, five hundred forty-one".