42244194 has 16 divisors (see below), whose sum is σ = 84582720. Its totient is φ = 14065680.

The previous prime is 42244193. The next prime is 42244199. The reversal of 42244194 is 49144224.

It is not an unprimeable number, because it can be changed into a prime (42244193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772 + ... + 9600.

It is an arithmetic number, because the mean of its divisors is an integer number (5286420).

Almost surely, 2^42244194 is an apocalyptic number.

42244194 is an abundant number, since it is smaller than the sum of its proper divisors (42338526).

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

42244194 is a wasteful number, since it uses less digits than its factorization.

42244194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865.

The product of its digits is 9216, while the sum is 30.

The square root of 42244194 is about 6499.5533692708. The cubic root of 42244194 is about 348.2750336003.

Adding to 42244194 its sum of digits (30), we get a palindrome (42244224).

The spelling of 42244194 in words is "forty-two million, two hundred forty-four thousand, one hundred ninety-four".