528226842 has 64 divisors (see below), whose sum is σ = 1244315520. Its totient is φ = 147379200.

The previous prime is 528226813. The next prime is 528226859. The reversal of 528226842 is 248622825.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 528226842.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652534 + ... + 653342.

It is an arithmetic number, because the mean of its divisors is an integer number (19442430).

Almost surely, 2^528226842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528226842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622157760).

528226842 is an abundant number, since it is smaller than the sum of its proper divisors (716088678).

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

528226842 is a wasteful number, since it uses less digits than its factorization.

528226842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599.

The product of its digits is 122880, while the sum is 39.

The square root of 528226842 is about 22983.1860715611. The cubic root of 528226842 is about 808.3637354019.

The spelling of 528226842 in words is "five hundred twenty-eight million, two hundred twenty-six thousand, eight hundred forty-two".