1522245 has 8 divisors (see below), whose sum is σ = 2435616. Its totient is φ = 811856.

The previous prime is 1522201. The next prime is 1522249. The reversal of 1522245 is 5422251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1522245 - 2¹² = 1518149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50727 + ... + 50756.

It is an arithmetic number, because the mean of its divisors is an integer number (304452).

2^1522245 is an apocalyptic number.

1522245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1522245 is a deficient number, since it is larger than the sum of its proper divisors (913371).

1522245 is a wasteful number, since it uses less digits than its factorization.

1522245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101491.

The product of its digits is 800, while the sum is 21.

The square root of 1522245 is about 1233.7929323837. The cubic root of 1522245 is about 115.0345201976.

Adding to 1522245 its reverse (5422251), we get a palindrome (6944496).

The spelling of 1522245 in words is "one million, five hundred twenty-two thousand, two hundred forty-five".