42224449 has 8 divisors (see below), whose sum is σ = 43749632. Its totient is φ = 40709520.

The previous prime is 42224423. The next prime is 42224453. The reversal of 42224449 is 94442224.

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

It is a cyclic number.

It is not a de Polignac number, because 42224449 - 2¹⁹ = 41700161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42224449.

It is not an unprimeable number, because it can be changed into a prime (42224419) 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, 6367 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (5468704).

Almost surely, 2^42224449 is an apocalyptic number.

It is an amenable number.

42224449 is a deficient number, since it is larger than the sum of its proper divisors (1525183).

42224449 is a wasteful number, since it uses less digits than its factorization.

42224449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127.

The product of its digits is 18432, while the sum is 31.

The square root of 42224449 is about 6498.0342412148. The cubic root of 42224449 is about 348.2207637188.

The spelling of 42224449 in words is "forty-two million, two hundred twenty-four thousand, four hundred forty-nine".