2225501 has 2 divisors, whose sum is σ = 2225502. Its totient is φ = 2225500.

The previous prime is 2225491. The next prime is 2225533. The reversal of 2225501 is 1055222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1692601 + 532900 = 1301^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225501 - 2¹⁴ = 2209117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2225501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112750 + 1112751.

It is an arithmetic number, because the mean of its divisors is an integer number (1112751).

2^2225501 is an apocalyptic number.

It is an amenable number.

2225501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225501 is an equidigital number, since it uses as much as digits as its factorization.

2225501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2225501 is about 1491.8113151468. The cubic root of 2225501 is about 130.5597364052.

The spelling of 2225501 in words is "two million, two hundred twenty-five thousand, five hundred one".