8242442 has 16 divisors (see below), whose sum is σ = 13535592. Its totient is φ = 3741120.

The previous prime is 8242439. The next prime is 8242457. The reversal of 8242442 is 2442428.

It can be written as a sum of positive squares in 4 ways, for example, as 3094081 + 5148361 = 1759^2 + 2269^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013 + ... + 4184.

Almost surely, 2^8242442 is an apocalyptic number.

8242442 is a deficient number, since it is larger than the sum of its proper divisors (5293150).

8242442 is a wasteful number, since it uses less digits than its factorization.

8242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273.

The product of its digits is 4096, while the sum is 26.

The square root of 8242442 is about 2870.9653428769. The cubic root of 8242442 is about 202.0002777502. Note that the first 3 decimals are identical.

It can be divided in two parts, 82 and 42442, that added together give a palindrome (42524).

The spelling of 8242442 in words is "eight million, two hundred forty-two thousand, four hundred forty-two".