42422986 has 8 divisors (see below), whose sum is σ = 63803520. Its totient is φ = 21155148.

The previous prime is 42422981. The next prime is 42423011. The reversal of 42422986 is 68922424.

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

It is not an unprimeable number, because it can be changed into a prime (42422981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27226 + ... + 28741.

It is an arithmetic number, because the mean of its divisors is an integer number (7975440).

Almost surely, 2^42422986 is an apocalyptic number.

42422986 is a deficient number, since it is larger than the sum of its proper divisors (21380534).

42422986 is a wasteful number, since it uses less digits than its factorization.

42422986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56348.

The product of its digits is 55296, while the sum is 37.

The square root of 42422986 is about 6513.2930227344. The cubic root of 42422986 is about 348.7656820755.

The spelling of 42422986 in words is "forty-two million, four hundred twenty-two thousand, nine hundred eighty-six".