1522285 has 4 divisors (see below), whose sum is σ = 1826748. Its totient is φ = 1217824.

The previous prime is 1522253. The next prime is 1522321. The reversal of 1522285 is 5822251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 885481 + 636804 = 941^2 + 798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522285 - 2⁵ = 1522253 is a prime.

It is a Duffinian number.

1522285 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 152224 + ... + 152233.

It is an arithmetic number, because the mean of its divisors is an integer number (456687).

2^1522285 is an apocalyptic number.

It is an amenable number.

1522285 is a deficient number, since it is larger than the sum of its proper divisors (304463).

1522285 is an equidigital number, since it uses as much as digits as its factorization.

1522285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304462.

The product of its digits is 1600, while the sum is 25.

The square root of 1522285 is about 1233.8091424528. The cubic root of 1522285 is about 115.0355277754.

The spelling of 1522285 in words is "one million, five hundred twenty-two thousand, two hundred eighty-five".