801522 has 16 divisors (see below), whose sum is σ = 1781280. Its totient is φ = 267156.

The previous prime is 801517. The next prime is 801539. The reversal of 801522 is 225108.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 801495 and 801504.

It is an unprimeable number.

801522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 7368 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (111330).

2⁸⁰¹⁵²² is an apocalyptic number.

801522 is an abundant number, since it is smaller than the sum of its proper divisors (979758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

801522 is a wasteful number, since it uses less digits than its factorization.

801522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854 (or 14848 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 801522 is about 895.2776105767. The cubic root of 801522 is about 92.8906101961.

The spelling of 801522 in words is "eight hundred one thousand, five hundred twenty-two".