8522242 has 8 divisors (see below), whose sum is σ = 12837132. Its totient is φ = 4243200.

The previous prime is 8522237. The next prime is 8522251. The reversal of 8522242 is 2422258.

It can be written as a sum of positive squares in 2 ways, for example, as 8520561 + 1681 = 2919^2 + 41^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8359 + ... + 9322.

Almost surely, 2^8522242 is an apocalyptic number.

8522242 is a deficient number, since it is larger than the sum of its proper divisors (4314890).

8522242 is a wasteful number, since it uses less digits than its factorization.

8522242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17924.

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

The square root of 8522242 is about 2919.2879268753. The cubic root of 8522242 is about 204.2606082381.

It can be divided in two parts, 85222 and 42, that added together give a square (85264 = 292²).

The spelling of 8522242 in words is "eight million, five hundred twenty-two thousand, two hundred forty-two".