1522442 has 8 divisors (see below), whose sum is σ = 2362500. Its totient is φ = 734944.

The previous prime is 1522427. The next prime is 1522447. The reversal of 1522442 is 2442251.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1485961 + 36481 = 1219^2 + 191^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522447) 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 3 ways as a sum of consecutive naturals, for example, 13067 + ... + 13182.

2^1522442 is an apocalyptic number.

1522442 is a deficient number, since it is larger than the sum of its proper divisors (840058).

1522442 is a wasteful number, since it uses less digits than its factorization.

1522442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26280.

The product of its digits is 640, while the sum is 20.

The square root of 1522442 is about 1233.8727649154. The cubic root of 1522442 is about 115.0394823474.

Adding to 1522442 its reverse (2442251), we get a palindrome (3964693).

The spelling of 1522442 in words is "one million, five hundred twenty-two thousand, four hundred forty-two".