42222368 has 24 divisors (see below), whose sum is σ = 83287260. Its totient is φ = 21070080.

The previous prime is 42222353. The next prime is 42222391. The reversal of 42222368 is 86322224.

It can be written as a sum of positive squares in 2 ways, for example, as 29463184 + 12759184 = 5428^2 + 3572^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42222368.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21758 + ... + 23618.

Almost surely, 2^42222368 is an apocalyptic number.

It is an amenable number.

42222368 is a deficient number, since it is larger than the sum of its proper divisors (41064892).

42222368 is a wasteful number, since it uses less digits than its factorization.

42222368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580 (or 2572 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 42222368 is about 6497.8741138929. The cubic root of 42222368 is about 348.2150430259.

The spelling of 42222368 in words is "forty-two million, two hundred twenty-two thousand, three hundred sixty-eight".