800242522 has 4 divisors (see below), whose sum is σ = 1200363786. Its totient is φ = 400121260.

The previous prime is 800242517. The next prime is 800242523. The reversal of 800242522 is 225242008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 721405881 + 78836641 = 26859^2 + 8879^2 .

It is not an unprimeable number, because it can be changed into a prime (800242523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200060629 + ... + 200060632.

Almost surely, 2^800242522 is an apocalyptic number.

800242522 is a deficient number, since it is larger than the sum of its proper divisors (400121264).

800242522 is a wasteful number, since it uses less digits than its factorization.

800242522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400121263.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 800242522 is about 28288.5581463602. The cubic root of 800242522 is about 928.4115645288.

The spelling of 800242522 in words is "eight hundred million, two hundred forty-two thousand, five hundred twenty-two".