42224245 has 8 divisors (see below), whose sum is σ = 57907584. Its totient is φ = 28953744.

The previous prime is 42224227. The next prime is 42224249. The reversal of 42224245 is 54242224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42224245 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42224249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603169 + ... + 603238.

It is an arithmetic number, because the mean of its divisors is an integer number (7238448).

Almost surely, 2^42224245 is an apocalyptic number.

It is an amenable number.

42224245 is a deficient number, since it is larger than the sum of its proper divisors (15683339).

42224245 is a wasteful number, since it uses less digits than its factorization.

42224245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206419.

The product of its digits is 5120, while the sum is 25.

The square root of 42224245 is about 6498.0185441410. The cubic root of 42224245 is about 348.2202029288.

Adding to 42224245 its reverse (54242224), we get a palindrome (96466469).

The spelling of 42224245 in words is "forty-two million, two hundred twenty-four thousand, two hundred forty-five".