2281579 has 2 divisors, whose sum is σ = 2281580.
Its totient is φ = 2281578.
The previous prime is 2281571. The next prime is 2281607. The reversal of 2281579 is 9751822.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2281579 - 23 = 2281571 is a prime.
It is not a weakly prime, because it can be changed into another prime (2281571) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140789 + 1140790.
It is an arithmetic number, because the mean of its divisors is an integer number (1140790).
22281579 is an apocalyptic number.
2281579 is a deficient number, since it is larger than the sum of its proper divisors (1).
2281579 is an equidigital number, since it uses as much as digits as its factorization.
2281579 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10080, while the sum is 34.
The square root of 2281579 is about 1510.4896557077.
The cubic root of 2281579 is about 131.6472637826.
The spelling of 2281579 in words is "two million, two hundred eighty-one thousand, five hundred seventy-nine".