42244918 has 8 divisors (see below), whose sum is σ = 64079640. Its totient is φ = 20885040.

The previous prime is 42244913. The next prime is 42244919. The reversal of 42244918 is 81944224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118488 + ... + 118843.

It is an arithmetic number, because the mean of its divisors is an integer number (8009955).

Almost surely, 2^42244918 is an apocalyptic number.

42244918 is a deficient number, since it is larger than the sum of its proper divisors (21834722).

42244918 is a wasteful number, since it uses less digits than its factorization.

42244918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237422.

The product of its digits is 18432, while the sum is 34.

The square root of 42244918 is about 6499.6090651669. The cubic root of 42244918 is about 348.2770232204.

The spelling of 42244918 in words is "forty-two million, two hundred forty-four thousand, nine hundred eighteen".