42224438 has 8 divisors (see below), whose sum is σ = 63951888. Its totient is φ = 20907144.

The previous prime is 42224423. The next prime is 42224453. The reversal of 42224438 is 83442224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42224423) and next prime (42224453).

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

It is a self number, because there is not a number n which added to its sum of digits gives 42224438.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 102281 + ... + 102692.

It is an arithmetic number, because the mean of its divisors is an integer number (7993986).

Almost surely, 2^42224438 is an apocalyptic number.

42224438 is a deficient number, since it is larger than the sum of its proper divisors (21727450).

42224438 is a wasteful number, since it uses less digits than its factorization.

42224438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205078.

The product of its digits is 12288, while the sum is 29.

The square root of 42224438 is about 6498.0333948049. The cubic root of 42224438 is about 348.2207334802.

The spelling of 42224438 in words is "forty-two million, two hundred twenty-four thousand, four hundred thirty-eight".