42422386 has 8 divisors (see below), whose sum is σ = 64061100. Its totient is φ = 21068688.

The previous prime is 42422377. The next prime is 42422411. The reversal of 42422386 is 68322424.

It can be written as a sum of positive squares in 2 ways, for example, as 30305025 + 12117361 = 5505^2 + 3481^2 .

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

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, 70881 + ... + 71476.

Almost surely, 2^42422386 is an apocalyptic number.

42422386 is a deficient number, since it is larger than the sum of its proper divisors (21638714).

42422386 is a wasteful number, since it uses less digits than its factorization.

42422386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142508.

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

The square root of 42422386 is about 6513.2469629210. The cubic root of 42422386 is about 348.7640378380.

The spelling of 42422386 in words is "forty-two million, four hundred twenty-two thousand, three hundred eighty-six".