1522798 has 4 divisors (see below), whose sum is σ = 2284200. Its totient is φ = 761398.

The previous prime is 1522789. The next prime is 1522799. The reversal of 1522798 is 8972251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8972251 = 43 ⋅208657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522799) 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, 380698 + ... + 380701.

It is an arithmetic number, because the mean of its divisors is an integer number (571050).

2^1522798 is an apocalyptic number.

1522798 is a deficient number, since it is larger than the sum of its proper divisors (761402).

1522798 is an equidigital number, since it uses as much as digits as its factorization.

1522798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761401.

The product of its digits is 10080, while the sum is 34.

The square root of 1522798 is about 1234.0170177109. The cubic root of 1522798 is about 115.0484483954.

The spelling of 1522798 in words is "one million, five hundred twenty-two thousand, seven hundred ninety-eight".